Nitration
n. 用硝酸处理, 硝化, 硝基置换\\n[化] 硝化; 硝化作用
🗣️ 情景例句
Would you please try to keep quiet at this hour?
这么晚了，你能不能尽量保持安静。
I pick up my sister from her school.
我到学校接妹妹。
Think carefully before you act.
三思而后行。