In winter, when people in Iceland complete their daily work, they will have a lot of special activities to spend the long dark night.
在冬天,当冰岛人完成了他们的日常工作,他们会有很多特殊的活动来度过漫长的黑夜。
These kinds of watches are used in sleep studies as a way of measuring how long people are sleeping, how efficient the sleep is, and whether they are waking up in the night.
这些类型的手表在睡眠研究中被用来测量人们的睡眠时长、睡眠效率,以及他们是否在夜间醒来。
The night before he left, I stayed up in my room for a long time.
在他走之前的那一晚,我在自己的房间里熬到深夜。
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