Calicoback
n. 卷心菜斑色蝽
🗣️ 情景例句
do you need any help?
需要帮忙吗？
It is likely to rain.
天看来要下雨了。
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，