晚上，我会在他的床头放一个闹钟。表针的滴答声有利于他的睡眠。

I put a clock by his bed at night. The ticking sound helped him sleep well.

youdao

晚上，我会在他的床头放一个闹钟。表针的滴答声有利于他的睡眠。

I put a clock by his bed at night. The ticking sound helped him sleep well.

youdao