Dithiophosphates
二硫代磷酸盐
🗣️ 情景例句
You haven't changed much in fifty years.
你五十年来没有什么变。
The whole class is in a heated discussion.
全班同学正在热烈讨论。
I forgot to prepare the speech I'm supposed to give today.
我忘了准备今天的我该做的演讲了。