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
A table spoon is much bigger than a teaspoon.
汤匙要比茶匙大得多。
I have two days off a week.
我一周休息两天。
Certainly. Here it is.
当然可以。在这儿。