Dithiophosphates
二硫代磷酸盐
🗣️ 情景例句
Hi, Tom, this is Mary.
嗨，汤姆，我是玛丽。
No, thank you. But it was very kind of you to offer.
不用了，谢谢。承蒙您好意提出。
He's doing well in all his lessons. He's not lazy. He'll do very well in the exams.
他各门功课都学得很好。他从不懒。他考试会考得很好的。