Labiums
n. 唇；阴唇；下唇；唇状物
🗣️ 情景例句
I've been having a hard time keeping my eyes open
我一直挣扎着要让双眼睁开
The last drop makes the cup run over.
失之过极。
and because there is so much of it the function would seem to e important.
睡眠占去那么多时间，所以其作用似乎还是很重要。