Dihydroxycoumarin
[医] 二羟基香豆素
🗣️ 情景例句
I knew you'd realize
我知道你会体会到
Scratch a Russsian, and you('ll) find a Tartar.
文明不能改变本性。
Yes, I see. How can they get rid of waste water in this way? What a terrible colour the sea is now! It looks as if our class won't be able to bathe at all.
是的，我看见了。他们怎么能这样排放废水呢？海水的颜色多么可怕呀！看来我们班同学根本不能在这里游泳。