请输入您要查询的英文单词：
单词
wakeful
释义
wakeful
ADJ
/ˈweɪkfl/
not able to sleep 睡不着的；失眠的
a
used for describing a period of time during which you are not able to sleep （某段时间内）不眠的
awakeful night
不眠之夜
DERIVED WORD
wakefulness
noun
U