Thiochromene
[化] 1,2-苯并噻喃
🗣️ 情景例句
I believe my English fluency is quite good.
我认为自己的英语相当的流利。
Honest men marry soon, wise men not at all.
诚实的人马上结婚，聪明的人就不这样。
What do you mean by special?
怎么特别呢。