一年中的6个月里，地球的两极几乎没有任何光线。

For six months of the year, there is hardly any light at the poles.

《柯林斯英汉双解大词典》

一年中的6个月里，地球的两极几乎没有任何光线。

For six months of the year, there is hardly any light at the poles.

《柯林斯英汉双解大词典》