Dithiophosphates
二硫代磷酸盐
🗣️ 情景例句
Bye-bye.
再见。
I'm very sorry. Can I get you another one?
非常抱歉。能不能另外给你买一条呢？
I met Zheng Jie after one of his concerts about a week ago.
大约一周前，我在郑杰的一场音乐会之后见过他。