sleeplessness

[医] 失眠

发音

US

词形变化

sleeplessnesses 复数 sleeplessnesses

释义与例句

n.
  1. 1.

    Lack of sleep; the property of being sleepless; the inability to sleep, insomnia.

    不可数

词汇关系

名词

同义词 1

wakefulness

词源

From sleepless + -ness.

来源：wiktionary