Dithiophosphates
二硫代磷酸盐
🗣️ 情景例句
My friend's a chain smoker.
我的朋友烟瘾很重。
I couldn't help it.
我没办法。
We had spent several days in a small town and visited a number of old churches in the vicinity.
我们在一座小镇上逗留了几天，参观了附近的许多古老的教堂。