Nitropo
硝酸钾钠
🗣️ 情景例句
I know. I do.
我知道。我会的。
You make the failure complete when you stop strying.
不再努力之时，就是完全失败之日。
Get him his change! It's easy to say, sir; but look at the bill yourself.
给他找钱！先生，说的倒轻巧，您自己来看看这张票子吧。