Polyhalogenation
多卤化反应
🗣️ 情景例句
Drug dependence should be looked at as a medical issue, not a criminal one.
毒品信赖应该被看成是医学问题，而不是犯罪问题。
Go for it!
加油！
I think there is a possible problem if you tell the manager about the thief.
我想，如果你向经理告发这个窃贼，可能存在这样一个问题。