At the Walter Reed Army Institute of Research they had people go to bed a couple of hours earlier than usual every night for a week.

在沃尔特·里德陆军研究所里，实验对象每天早睡几个小时，这样持续了一周。

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At the Walter Reed Army Institute of Research they had people go to bed a couple of hours earlier than usual every night for a week.

在沃尔特·里德陆军研究所里，实验对象每天早睡几个小时，这样持续了一周。

youdao