Coumalin
香豆灵； 邻吡喃酮
🗣️ 情景例句
I put them in my tuxedo--
我将它们放在我礼服的口袋，
Do you know when the next exam is?
你知道下次考试在什么时候吗？
I'm sure you'll find that we are very competitive now.
我敢说你们一定会发现，我们现在的价钱是不怕别人竞争的。