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
You have to ask for my father's permission.
你必须征得我父亲的同意。
What sort of guarantees are there against late delivery?
惩罚延迟发货有什么保证呢？
By then, however, in many places the grass had already taken root.
然而到那时，很多地方的草已经生了根。