Polychloride
多氯化物
🗣️ 情景例句
We just don't see each other anymore.
我们彼此差不多见不到面了。
It might be, I suppose.
我想可能是这样。
They will also be building new roads and a special railway line.
他们还将修筑一些新的道路和一条铁路专线。