Sarcinite
红砷锰矿
🗣️ 情景例句
You mean from the food?
是不是吃东西引起的？
I know the boy whose father is a professor.
我知道那个男孩的父亲是大学教授。
I told him the whole story. He laughed. You're great! I'm going to tell everyone.
我把整个事情都告诉了他。他笑了。“你真了不起！我要对大家说