NASA says astronauts sleep on average less than six hours a day, and before critical mission operations, it is even less.

美国国家航空航天局表示，宇航员平均每天睡眠不足6小时，在进行关键任务操作之前，他们的睡眠时间甚至更短。

The United Nations has initiated a critical operation to siphon 1 million barrels of oil from a decaying supertanker located off the coast of Yemen.

联合国发起了一项关键行动，从也门海岸一艘废弃超级油轮上抽取 100 万桶石油。