Dihydroxycoumarin
[医] 二羟基香豆素
🗣️ 情景例句
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
I wish you had called me back the next day,as I had asked you to.
我希望你明天打电话给了我回来,正如我要你做的。
You're very eloquent.
你看上去真精神。