Polychlorinated
[医]多氯化的
🗣️ 情景例句
I guess we must.
我想咱们是该开始了。
Our new product line has been very successful. We've expanded the factory twice this year already.
我们新的生产线非常成功，我们今年已把工厂扩展了两倍。
He was sent to prison for failing to pay his debts and died in poverty in 1836.
他因无力还债而被捕入狱，最后于1836年在贫困中死去。