Wfh
[医][=weight-for-height]按身高（计算）的相对体重
🗣️ 情景例句
I'm paying lots of money for you, so you'd better do well.
我为你花了那么多钱，所以你要好好干。
Because hs is thinking of majoring in this subject at the university.
因为他考虑把此学科作为在大学里的专业。
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。