Dithiophosphates
二硫代磷酸盐
🗣️ 情景例句
First round's on me.
第一轮我请客。
My brother wants to learn how to speak Chinese.
我的兄弟要去学中国话。
The Ombudsman immediately wrote to the Chief of Police in the district asking him to send a record of the case.
司法特派员立即写信给当地警察局长，请他寄送与此事有关的材料。