Allylurea
烯丙基脲
🗣️ 情景例句
My friend, I am in a big mess, do you think you could help me tomorrow?
朋友，我现在正忙得一塌湖涂。明天你可以帮一下我吗？
As the touchstone tries gold, so gold tries man.
试金石可以试金，正如黄金可以试人。
What are you doing?
你在干什么？