Derivatization
[医]衍生（作用）, 衍生化, 导数化
🗣️ 情景例句
at the Museum of Natural History.
在自然历史博物馆。
I'm afraid he will lose your time.
我怕他会浪费你的时间。
Often the little words have meanings of their own.
这些小词常常都有自己本身的意思。