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》

“极寒天气突袭，出于对邮政员工的安全考虑，”美国邮政周三上午宣布，“将于1月1日暂停送货服务。”

"Due to this arctic outbreak and concerns for the safety of USPS employees," USPS announced Wednesday morning, "the Postal Service is suspending delivery Jan 1st."

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这艘NASA无人驾驶飞船于1998年1月7日发射，使命是围绕月球飞行并在月球两极永远在阴影中的火山口里寻找水冰以及其它物质存在的迹象。

This NASA unmanned spacecraft launched Jan. 7, 1998 on a mission to orbit the moon in search of signs of water ice and other minerals in permanently shaded craters at the lunar poles.

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