The globe is rolling round all the time.

地直在转动。

The earth revolves both round the sun and on its own axis.

地既公转又自转。

The earth makes a yearly revolution around the sun.

地每绕太阳周。

The moon is a satellite of the earth.

月是地颗卫星。

Man is a dweller on the earth.

人类是地寄居者。

The earth orbits the sun once every 365.25 days.

地每365.25天绕太阳轨道圈。

The lunar stone is different from earth's.

月石头和地不同。

The earth crosses the tracks of certain comets.

地穿过某些彗星轨线。

How do you demonstrate that the earth is round?

你怎样证明地是圆?

The Earth is not a perfect sphere.

地并不是个完全体。

The earth's shadow on the moon was quite distinct.

月上地阴影很清晰。

The rotation of the earth round the sun takes one year.

地绕着太阳旋转要。

Mars takes longer to revolve on its axis than the earth.

火星自转周比地长。

Many types of animal have now vanished from the earth.

许多动物物种现已从地上绝。

Jupiter's gravity slingshots the fragments toward Earth.

木星重力使碎片加速飞向地。

The earth rotates on its axis once every 24 hours.

地每24小依其轴心自转次。

The Pacific Ocean is the biggest ocean in the earth.

太平洋是地上最大海洋。

The shape of the earth is an oval.

地形状是个椭圆形。

We use a globe in our geography class.

我们在地理课上使用地仪。

There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.

这里有37讲，主要是地质代学、放射性同位素地化学和稳定同位素地化学。

The globe is rolling round all the time.

地球一直在转动。

The earth revolves both round the sun and on its own axis.

地球既公转又自转。

The earth makes a yearly revolution around the sun.

地球每年绕太阳一周。

The moon is a satellite of the earth.

月球是地球的一颗卫星。

Man is a dweller on the earth.

人类是地球的寄居者。

The earth orbits the sun once every 365.25 days.

地球每365.25天绕太阳轨道一圈。

The lunar stone is different from earth's.

月球的石头和地球的不同。

The earth crosses the tracks of certain comets.

地球穿过某些彗星的轨线。

How do you demonstrate that the earth is round?

你怎样证明地球是圆的?

The Earth is not a perfect sphere.

地球并不是一个完全的球体。

The earth's shadow on the moon was quite distinct.

月球上的地球阴影很清晰。

The rotation of the earth round the sun takes one year.

地球绕着太阳旋转要一年时间。

Mars takes longer to revolve on its axis than the earth.

火星自转一周的时间比地球长。

Many types of animal have now vanished from the earth.

许多动物物种现已从地球上绝。

Jupiter's gravity slingshots the fragments toward Earth.

木星的重力使碎飞向地球。

The earth rotates on its axis once every 24 hours.

地球每24小时依其轴心自转一次。

The Pacific Ocean is the biggest ocean in the earth.

太平洋是地球上最大的海洋。

The shape of the earth is an oval.

地球的形状是个椭圆形。

We use a globe in our geography class.

我们在地理课上使用地球仪。

There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.

这里有37讲，主要是地质年代学、放射性同位素地球化学和稳定同位素地球化学。

The globe is rolling round all the time.

地球直在转动。

The earth revolves both round the sun and on its own axis.

地球既公转又自转。

The earth makes a yearly revolution around the sun.

地球每年绕太阳周。

The moon is a satellite of the earth.

月球是地球颗卫星。

Man is a dweller on the earth.

人类是地球寄居者。

The earth orbits the sun once every 365.25 days.

地球每365.25天绕太阳轨道圈。

The lunar stone is different from earth's.

月球和地球不同。

The earth crosses the tracks of certain comets.

地球穿过某些彗星轨线。

How do you demonstrate that the earth is round?

你怎样证明地球是圆?

The Earth is not a perfect sphere.

地球并不是全球体。

The earth's shadow on the moon was quite distinct.

月球上地球阴影很清晰。

The rotation of the earth round the sun takes one year.

地球绕着太阳旋转要年时间。

Mars takes longer to revolve on its axis than the earth.

火星自转周时间比地球长。

Many types of animal have now vanished from the earth.

许多动物物种现已从地球上绝。

Jupiter's gravity slingshots the fragments toward Earth.

木星重力使碎片加速飞向地球。

The earth rotates on its axis once every 24 hours.

地球每24小时依其轴心自转次。

The Pacific Ocean is the biggest ocean in the earth.

太平洋是地球上最大海洋。

The shape of the earth is an oval.

地球形状是椭圆形。

We use a globe in our geography class.

我们在地理课上使用地球仪。

There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.

这里有37讲，主要是地质年代学、放射性同位素地球化学和稳定同位素地球化学。

The globe is rolling round all the time.

地球直在转动。

The earth revolves both round the sun and on its own axis.

地球既公转又自转。

The earth makes a yearly revolution around the sun.

地球每绕太阳周。

The moon is a satellite of the earth.

月球是地球卫星。

Man is a dweller on the earth.

人类是地球寄居者。

The earth orbits the sun once every 365.25 days.

地球每365.25天绕太阳轨道圈。

The lunar stone is different from earth's.

月球石头和地球不同。

The earth crosses the tracks of certain comets.

地球穿过某些彗星轨线。

How do you demonstrate that the earth is round?

你怎样证明地球是圆?

The Earth is not a perfect sphere.

地球并不是个完全球体。

The earth's shadow on the moon was quite distinct.

月球上地球阴影很清晰。

The rotation of the earth round the sun takes one year.

地球绕着太阳旋转要间。

Mars takes longer to revolve on its axis than the earth.

火星自转周间比地球长。

Many types of animal have now vanished from the earth.

许多动物物种现已从地球上绝。

Jupiter's gravity slingshots the fragments toward Earth.

木星重力使碎片加速飞向地球。

The earth rotates on its axis once every 24 hours.

地球每24小依其轴心自转次。

The Pacific Ocean is the biggest ocean in the earth.

太平洋是地球上最大海洋。

The shape of the earth is an oval.

地球形状是个椭圆形。

We use a globe in our geography class.

我们在地理课上使用地球仪。

There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.

这里有37讲，主要是地质代学、放射性同位素地球化学和稳定同位素地球化学。

The globe is rolling round all the time.

一直在转动。

The earth revolves both round the sun and on its own axis.

既公转又自转。

The earth makes a yearly revolution around the sun.

每年绕太阳一周。

The moon is a satellite of the earth.

月的一颗卫星。

Man is a dweller on the earth.

人类的寄居者。

The earth orbits the sun once every 365.25 days.

每365.25天绕太阳轨道一圈。

The lunar stone is different from earth's.

月的石头和的不同。

The earth crosses the tracks of certain comets.

过某些彗星的轨线。

How do you demonstrate that the earth is round?

你怎样证明的?

The Earth is not a perfect sphere.

并不一个完全的体。

The earth's shadow on the moon was quite distinct.

月上的阴影很清晰。

The rotation of the earth round the sun takes one year.

绕着太阳旋转要一年时间。

Mars takes longer to revolve on its axis than the earth.

火星自转一周的时间比长。

Many types of animal have now vanished from the earth.

许多动物物种现已从上绝。

Jupiter's gravity slingshots the fragments toward Earth.

木星的重力使碎片加速飞向。

The earth rotates on its axis once every 24 hours.

每24小时依其轴心自转一次。

The Pacific Ocean is the biggest ocean in the earth.

太平洋上最大的海洋。

The shape of the earth is an oval.

的形状个椭形。

We use a globe in our geography class.

我们在理课上使用仪。

There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.

这里有37讲，主要质年代学、放射性同位素化学和稳定同位素化学。

The globe is rolling round all the time.

地球一直在转动。

The earth revolves both round the sun and on its own axis.

地球既公转又自转。

The earth makes a yearly revolution around the sun.

地球每年绕太阳一周。

The moon is a satellite of the earth.

月球是地球一颗卫。

Man is a dweller on the earth.

人类是地球寄居者。

The earth orbits the sun once every 365.25 days.

地球每365.25天绕太阳轨道一圈。

The lunar stone is different from earth's.

月球石头和地球不同。

The earth crosses the tracks of certain comets.

地球穿过某些轨线。

How do you demonstrate that the earth is round?

证明地球是圆?

The Earth is not a perfect sphere.

地球并不是一个完全球体。

The earth's shadow on the moon was quite distinct.

月球上地球阴影很清晰。

The rotation of the earth round the sun takes one year.

地球绕着太阳旋转要一年时间。

Mars takes longer to revolve on its axis than the earth.

火自转一周时间比地球长。

Many types of animal have now vanished from the earth.

许多动物物种现已从地球上绝。

Jupiter's gravity slingshots the fragments toward Earth.

木重力使碎片加速飞向地球。

The earth rotates on its axis once every 24 hours.

地球每24小时依其轴心自转一次。

The Pacific Ocean is the biggest ocean in the earth.

太平洋是地球上最大海洋。

The shape of the earth is an oval.

地球形状是个椭圆形。

We use a globe in our geography class.

我们在地理课上使用地球仪。

There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.

这里有37讲，主要是地质年代学、放射性同位素地球化学和稳定同位素地球化学。

The globe is rolling round all the time.

地球一直在动。

The earth revolves both round the sun and on its own axis.

地球既公又自。

The earth makes a yearly revolution around the sun.

地球每年绕太阳一周。

The moon is a satellite of the earth.

月球是地球的一颗。

Man is a dweller on the earth.

类是地球的寄居者。

The earth orbits the sun once every 365.25 days.

地球每365.25天绕太阳轨道一圈。

The lunar stone is different from earth's.

月球的石头和地球的不同。

The earth crosses the tracks of certain comets.

地球穿过某些彗的轨线。

How do you demonstrate that the earth is round?

你怎样证明地球是圆的?

The Earth is not a perfect sphere.

地球并不是一个完全的球体。

The earth's shadow on the moon was quite distinct.

月球上的地球阴影很清晰。

The rotation of the earth round the sun takes one year.

地球绕着太阳一年时间。

Mars takes longer to revolve on its axis than the earth.

火自一周的时间比地球长。

Many types of animal have now vanished from the earth.

许多动物物种现已从地球上绝。

Jupiter's gravity slingshots the fragments toward Earth.

木的重力使碎片加速飞向地球。

The earth rotates on its axis once every 24 hours.

地球每24小时依其轴心自一次。

The Pacific Ocean is the biggest ocean in the earth.

太平洋是地球上最大的海洋。

The shape of the earth is an oval.

地球的形状是个椭圆形。

We use a globe in our geography class.

我们在地理课上使用地球仪。

There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.

这里有37讲，主是地质年代学、放射性同位素地球化学和稳定同位素地球化学。

The globe is rolling round all the time.

球一直在转动。

The earth revolves both round the sun and on its own axis.

球既公转又自转。

The earth makes a yearly revolution around the sun.

球每年绕太阳一周。

The moon is a satellite of the earth.

月球是球的一颗卫星。

Man is a dweller on the earth.

人类是球的寄。

The earth orbits the sun once every 365.25 days.

球每365.25天绕太阳轨道一圈。

The lunar stone is different from earth's.

月球的石头和球的不同。

The earth crosses the tracks of certain comets.

球穿过某些彗星的轨线。

How do you demonstrate that the earth is round?

你怎样证明球是圆的?

The Earth is not a perfect sphere.

球并不是一个完全的球体。

The earth's shadow on the moon was quite distinct.

月球上的球阴影。

The rotation of the earth round the sun takes one year.

球绕着太阳旋转要一年时间。

Mars takes longer to revolve on its axis than the earth.

火星自转一周的时间比球长。

Many types of animal have now vanished from the earth.

许多动物物种现已从球上绝。

Jupiter's gravity slingshots the fragments toward Earth.

木星的重力使碎片加速飞向球。

The earth rotates on its axis once every 24 hours.

球每24小时依其轴心自转一次。

The Pacific Ocean is the biggest ocean in the earth.

太平洋是球上最大的海洋。

The shape of the earth is an oval.

球的形状是个椭圆形。

We use a globe in our geography class.

我们在理课上使用球仪。

There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.

这里有37讲，主要是质年代学、放射性同位素球化学和稳定同位素球化学。

The globe is rolling round all the time.

一直在转动。

The earth revolves both round the sun and on its own axis.

既公转又自转。

The earth makes a yearly revolution around the sun.

每年绕太阳一周。

The moon is a satellite of the earth.

月是一颗卫星。

Man is a dweller on the earth.

人类是寄居者。

The earth orbits the sun once every 365.25 days.

每365.25天绕太阳轨道一圈。

The lunar stone is different from earth's.

月石头和不同。

The earth crosses the tracks of certain comets.

穿过某些彗星轨线。

How do you demonstrate that the earth is round?

你怎样证明是圆?

The Earth is not a perfect sphere.

并不是一个完全体。

The earth's shadow on the moon was quite distinct.

月上阴影很清晰。

The rotation of the earth round the sun takes one year.

绕着太阳旋转要一年。

Mars takes longer to revolve on its axis than the earth.

星自转一周比长。

Many types of animal have now vanished from the earth.

许多动物物种现已从上绝。

Jupiter's gravity slingshots the fragments toward Earth.

木星重力使碎片加速飞向。

The earth rotates on its axis once every 24 hours.

每24小依其轴心自转一次。

The Pacific Ocean is the biggest ocean in the earth.

太平洋是上最大海洋。

The shape of the earth is an oval.

形状是个椭圆形。

We use a globe in our geography class.

我们在理课上使用仪。

There are 37 lectures, major headings are geochronology, radiogenic isotope geochemistry and stable isotope geochemistry.

这里有37讲，主要是质年代学、放射性同位素化学和稳定同位素化学。