Omphalus
[医] 脐
🗣️ 情景例句
Never gamble if you can't afford to lose.
如果你输不起的话，永远不要赌博。
You'd better go at once, hadn't you?
你最好马上走，不对吗？
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。