睡眠

例句

• shuì睡mián眠bù不zú足 。

  Lack of sleep.

• chōng充zú足de的shuì睡mián眠duì对shēn身tǐ体jiàn健kāng康hěn很zhòng重yào要 。

  Enough sleep is very important for health.

用法