Nitrc
[机] 氮素的, 含氮的
🗣️ 情景例句
About what?
谈什么？
The first blow is half the battle.
头炮打响，等于半个胜仗。
We had been in the hat shop for half an hour and my wife was still in front of the mirror.
我们在这家帽店已经呆了半个小时了，而我的妻子仍在镜子面前。