Stiburea
脲, 锑尿素
🗣️ 情景例句
If you don't finish your homework, you'll be in big, big trouble.
如果你不完成作业，你就有大麻烦了。
But Li Ming has promised to come home for the summer vacations.
但是李明已经答应暑假回家。
What are you up to?
你在忙什么呢？