Calver
孕牛
🗣️ 情景例句
Did you remember your other appointment for today?
还记得今天的另一个约会吗？
I think it's going to snow all day.
我认为整天将会下雪。
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，