Thiochromene
[化] 1,2-苯并噻喃
🗣️ 情景例句
Good morning, Mr. Zhou. Take a seat, please. What can I do for you?
早上好，周先生。请坐。有什么事吗？
This is a bread.
这是一个面包。
Don't remind him. It was nothing.
不要向他提起这件事了。那是微不足道的。