Clairite
硫砷铜矿
🗣️ 情景例句
How many people will you be bringing?
你约了多少人来？
That's just what I was looking for.
那正是我所期待的。
It's about a time when there were black slaves in North America. It's about their fight for freedom.
（它）讲的是有一段时期，北美洲存在黑奴。影片讲述他们为自由而斗争的情况。