Cfs
abbr. 立方尺/秒（cubic feet per second）
🗣️ 情景例句
Medicine should be stored somewhere your kids can't reach it.
药物应摆放在孩子们够不着的地方。
I wash his face and hands,and then I dress him.
我洗他的脸和手，并且我给他穿衣服。
Jim, how long have you been at this school?
吉姆，你到这学校有多么时间了？