Dithiophosphates
二硫代磷酸盐
🗣️ 情景例句
While sitting on the bus I often meet interesting people.
乘车时，我经常碰到一些有趣的人。
Do you remember the boy whose aunt is an actress.
你是否记得那男孩的姑妈是演员？
How do you do?
你好！