Umbelliferone
(=7-hydroxy coumarin)伞形酮, 7-羟基香豆素
🔁 扩展释义
【化】 7-羟基香豆素; 伞形酮【医】 伞形花内酯, 7-羟香豆素
🗣️ 情景例句
Not as happy as I am.
我比你更高兴。
This driver cannot driver any farther because there is a man in the manhole.
由于
I fear that he drinks too much.
我担心他喝的酒太多了。