Polychloride
多氯化物
🗣️ 情景例句
It turned out he was Michael's father.
原来他是麦克的父亲。
Can I do anything for you?
我能不能为您做些什么？
As the man tried to swing the speedboat round, the steering wheel came away in his hands.
当那人试图让快艇转弯时，方向盘脱手了。