Polychloride
多氯化物
🗣️ 情景例句
Four o'clock at the advanced exercise class. With me.
四点钟去高级健身课， 跟我一起。
Experience keeps a dear school, but fools learn in no other.
吃亏学乖代价高，笨汉非此学不好。
But they would not listen to him. When they came to the river, a white man was waiting in the boat for them.
但是他们不听，当他们来到江边时，一个白人正在船上等着他们。