Bertrandite
羟硅铍石
🗣️ 情景例句
Thanks very much. It was a great party!
非常感谢，今天的聚会棒极了！
I know the boy whose father is a painter.
我知道那个男孩的父亲是画家。
Most of the cattle farming is in North Island.
畜牧业大部分在北岛。