Midperpendicular
舯垂线
🗣️ 情景例句
We had a summer house on Fire Island.
我们在火岛有一所避暑别墅。
This round table is good.
这张圆桌很不错。
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义，我们应先回顾一下人类最近的几项发明。