Derivatization
[医]衍生（作用）, 衍生化, 导数化
🗣️ 情景例句
Is this five-two-one double eight six-four?
这里是521-8864吗？
To shoot
射击
And then quickly and quietly we did just that.
于是，我们就迅速而且悄悄地干了起来。