Dipropylurea
二丙脲
🗣️ 情景例句
It's Zhao, Z-H-A-O.
姓赵，Z-H-A-O。
They will miss him very much when he leaves home for the first time.
李明第一次离开家，他们会非常想念他的。
It was difficult not to be tempted.
要想不为这些东西所动心是很困难的。