Ppm.
[医] 兆比率(百万分之几)
🗣️ 情景例句
Well, OK. See if they have a room.
那， 好吧， 看看他们是否还有房间。
So-so.
一般般啦！
The drunk, however, seemed quite sure of himself.
当公牛逼近他时，他踉跄地住旁边一闪，牛扑空了。