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
I'd better unpack.
我还是先把行李打开吧。
I will go to the sportsfield.
我将去运动场。
Some people think that the weather is unpleasant, the city ugly and dirty, the competition fierce and the streets unsafe.
有些人认为，这儿的气候不佳，市容丑陋肮脏，竞争激烈，街上不安全。