Massafuerite
多橄玄武斑岩
🗣️ 情景例句
Let's get in shape.
咱们去健身吧。
Where were you during the month of April last year?
去年四月份你在哪里？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，