Mononitration
一硝基化
🗣️ 情景例句
It is.
它是的。
I will be going to school in September.
我将在九月份上学。
At this, the police pointed out ironically that this would hardly be necessary as the men were already under arrest.
警察听后讥讽地说，这大可不必，因为他俩已被逮捕了。