Beaverite
铜铅铁矾
🗣️ 情景例句
Don't be mixed up in such business.
不要跟这种事有所关连。
There it is.
门在那儿。
He wrote books about communism. He said that all communists should help each other.
他写了不少关于共产主义的著作。他说所有的共产党人都应该互相帮助。