O,o-dimethyldithiophosphoric acid
[化] O,O-二甲基二硫代磷酸
🧩 词语组成解析
🗣️ 情景例句
If he says he's going to be here, he's here.
假如他说他要来这儿 他就一定会来。
How often did I tell you to keep quiet?
我告诉你多少次要安静?
Do you speak Chinese?
你讲汉语吗？