It's very cold in the polar regions.

南北地带是很寒冷的。

The polar region is the habitat of the polar bear.

北地带为北熊的栖息地。

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.

在北圈范围，月夜下除了能够看到天上明亮的星外，变幻莫测的光往往在夜�上著演的天文表演。

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.

北极圈范围，月下除了能够看到天上明亮的星外，变幻莫测的极光�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.

结果梭赤道部与两极部神经末梢呈棕黑色，清晰可见，梭维染为棕黄色。

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，热喀斯大量出，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.

南北地带是很寒冷的。

The polar region is the habitat of the polar bear.

北地带为北熊的栖息地。

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

结果肌梭赤道与神经末梢呈棕黑色，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）体可能散发到大中。

: 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.

在北圈范围，月夜下除了能够看到天上明亮的星外，变幻莫测的光往往在夜�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.

南地带是很寒冷。

The polar region is the habitat of the polar bear.

地带为熊栖息地。

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.

在圈范围，月夜下够看到天上明亮星外，变幻莫测光往往在夜�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。

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（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，变的极光往往在夜�上著演一幕又一幕的天文表演。