Thiochromene
[化] 1,2-苯并噻喃
🗣️ 情景例句
He is still unable to express himself in English.
他仍然不能用英语表达自己的意思。
He phoned to cancel the meeting.
他打电话来取消会议。
Then I'll water them to stop the soil getting too dry.
然后，我还要给它们浇水，以免土壤变得太干燥。