Midperpendicular
舯垂线
🗣️ 情景例句
If I have time, I enjoy camping in the wild with my friends.
若时间许可，我爱和朋友到野外露营。
Happy is he that is happy in his children.
对自己孩子感到高兴的，才是幸福的人。
I'd prefer them not to play too loudly at the beginning.
我比较喜欢开始时的演奏不要太吵