It's very cold in the polar regions.

南北极地带是很寒冷的。

The polar region is the habitat of the polar bear.

北极地带为北极熊的栖息地。

Results Nerve endings of muscle spindle in equatorial and polar regions were dyed black;intrafusal fibers were dyed buffy.

结果肌梭赤道部与两极部神经末梢呈棕黑，可见，梭内肌纤维染为棕黄。

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

随着永久冻带消溶和分崩离析，热喀斯特象大量出，于地下的（甲烷等）温室气体可能散发到大气中。

: In polar region, apart from the bright stars seen under moon night, ever changing aurorae are making scenes after scenes of celestial display in the darkness.

在北极圈范围，月夜下除了能够看到天上明亮的星外，变幻莫测的极光往往在夜�上著演一幕又一幕的天文表演。

It's very cold in the polar regions.

南北极地带是很寒冷的。

The polar region is the habitat of the polar bear.

北极地带为北极熊的栖息地。

Results Nerve endings of muscle spindle in equatorial and polar regions were dyed black;intrafusal fibers were dyed buffy.

结果肌梭赤道部与两极部神经末梢呈棕黑色，清晰可见，梭内肌为棕黄色。

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

随着永久冻带消溶和分崩离析，热现象大量出现，埋藏于地下的（甲烷等）温室气体可能散发到大气中。

: In polar region, apart from the bright stars seen under moon night, ever changing aurorae are making scenes after scenes of celestial display in the darkness.

在北极圈范围，月夜下除了能够看到天上明亮的星外，变幻莫测的极光往往在夜�上著演一幕又一幕的天文表演。

It's very cold in the polar regions.

南北极地带是很寒冷的。

The polar region is the habitat of the polar bear.

北极地带为北极熊的栖息地。

Results Nerve endings of muscle spindle in equatorial and polar regions were dyed black;intrafusal fibers were dyed buffy.

结果道部与两极部神经末梢呈棕黑色，清晰可见，内纤维染为棕黄色。

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

随着永久冻带消溶和分崩离析，热喀斯特现象大量出现，埋藏于地下的（甲烷等）温室气体可能大气中。

: In polar region, apart from the bright stars seen under moon night, ever changing aurorae are making scenes after scenes of celestial display in the darkness.

在北极圈范围，月夜下除了能够看天上明亮的星外，变幻莫测的极光往往在夜�上著演一幕又一幕的天文表演。

It's very cold in the polar regions.

南北极地带是很寒冷的。

The polar region is the habitat of the polar bear.

北极地带为北极熊的栖息地。

Results Nerve endings of muscle spindle in equatorial and polar regions were dyed black;intrafusal fibers were dyed buffy.

结果肌梭赤道部与两极部神经末梢呈棕黑色，见，梭内肌纤维染为棕黄色。

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

随着永久冻带消溶和分崩离析，热喀斯特象大量，藏于地下的（甲烷等）温室气体能散发到大气中。

: In polar region, apart from the bright stars seen under moon night, ever changing aurorae are making scenes after scenes of celestial display in the darkness.

在北极圈范围，月夜下除了能够看到天上明亮的星外，变幻莫测的极光往往在夜�上著演一幕又一幕的天文表演。

It's very cold in the polar regions.

南北极地带是很寒冷。

The polar region is the habitat of the polar bear.

北极地带为北极熊栖息地。

Results Nerve endings of muscle spindle in equatorial and polar regions were dyed black;intrafusal fibers were dyed buffy.

结果肌梭赤道部与两极部神经末梢呈棕黑色，清晰可见，梭内肌纤维染为棕黄色。

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

随着永久冻带消溶和分崩离析，热喀斯特现象大量出现，埋藏于地下（甲烷等）温室气体可能散发到大气中。

: In polar region, apart from the bright stars seen under moon night, ever changing aurorae are making scenes after scenes of celestial display in the darkness.

在北极圈范围，月夜下除了能够看到天上明亮星外，变幻莫测极光往往在夜�上著演又天文表演。

It's very cold in the polar regions.

南北极地带冷的。

The polar region is the habitat of the polar bear.

北极地带为北极熊的栖息地。

Results Nerve endings of muscle spindle in equatorial and polar regions were dyed black;intrafusal fibers were dyed buffy.

结果肌梭赤道部与两极部神经末梢呈棕黑色，清晰可见，梭内肌纤维染为棕黄色。

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

随着永久冻带消溶和分崩离析，热喀斯特现象大量出现，埋藏于地下的（甲烷等）温室气体可能散发大气中。

: In polar region, apart from the bright stars seen under moon night, ever changing aurorae are making scenes after scenes of celestial display in the darkness.

在北极圈范围，月夜下除了能够上明亮的星外，变幻莫测的极光往往在夜�上著演一幕又一幕的文表演。

It's very cold in the polar regions.

南地带是很寒冷。

The polar region is the habitat of the polar bear.

地带为熊地。

Results Nerve endings of muscle spindle in equatorial and polar regions were dyed black;intrafusal fibers were dyed buffy.

结果肌梭赤道部与两部神经末梢呈棕黑色，清晰可见，梭内肌纤维染为棕黄色。

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

随着永久冻带消溶和分崩离析，热喀斯特现象大量出现，埋藏于地下（甲烷等）温室气体可能散发到大气中。

: In polar region, apart from the bright stars seen under moon night, ever changing aurorae are making scenes after scenes of celestial display in the darkness.

圈范围，月夜下除了能够看到天上明亮星外，变幻莫测光往往夜�上著演一幕又一幕天文表演。

It's very cold in the polar regions.

南北极地带是很寒冷的。

The polar region is the habitat of the polar bear.

北极地带为北极熊的栖息地。

Results Nerve endings of muscle spindle in equatorial and polar regions were dyed black;intrafusal fibers were dyed buffy.

结果肌梭赤道部与两极部神经末梢呈棕黑，清晰可见，梭内肌纤维染为棕。

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

着永久冻带消溶和析，热喀斯特现象大量出现，埋藏于地下的（甲烷等）温室气体可能散发到大气中。

: In polar region, apart from the bright stars seen under moon night, ever changing aurorae are making scenes after scenes of celestial display in the darkness.

在北极圈范围，月夜下除了能够看到天上明亮的星外，变幻莫测的极光往往在夜�上著演一幕又一幕的天文表演。

It's very cold in the polar regions.

南北极地带是很寒冷。

The polar region is the habitat of the polar bear.

北极地带为北极熊栖息地。

Results Nerve endings of muscle spindle in equatorial and polar regions were dyed black;intrafusal fibers were dyed buffy.

结果肌梭赤道部与两极部神经末梢呈棕黑色，清晰可见，梭内肌纤维染为棕黄色。

Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.

随着永久冻带消溶和分崩离析，热喀斯特现象大量出现，埋藏于地下（甲烷等）温室气体可能散发到大气中。

: In polar region, apart from the bright stars seen under moon night, ever changing aurorae are making scenes after scenes of celestial display in the darkness.

在北极圈范围，月夜下除了能够看到天上明亮星外，变幻莫测极光往往在夜�上著演又天文表演。