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
How many people are there in your family?
您家有几口人？
Go along the corridor and it's on your right side.
沿着走廊走，在你右手边。
A very good choice, sir.
先生，您真会挑选。