其次，极地的大气层很薄，所以加热它所需要的能量很少。

Second, the polar atmosphere is thin, so little energy is required to warm it.

youdao

就像除了太阳之外，还有什么其它的东西在给大气层加热一样。

It's like something else is heating the atmosphere besides the sun.

youdao

就像除了太阳之外，还有什么其它的东西在给大气层加热一样。

It's like something else is heating the atmosphere besides the sun.

youdao