Pickeringite
镁明矾
🗣️ 情景例句
Everybody in Riverdale reads his paper.
Riverdale的每个人都看他的报纸。
I'm a student.
我是学生。
Well, Lucy is wearing blue trousers and a blouse.
恩…，露茜穿着一条蓝裤子和一件衬衫。