Fluoreneamine
芴胺
🗣️ 情景例句
That's good, I thought I was late.
太好了，我还以为我来迟了呢。
No, it isn't. Yes, it is.
不，它不是。 是的，它是。
A good knowledge of English will improve your chances of employment.
英语好将有助于增加你们的就业机会。