Perpendicularity
n. 垂直, 直立\\n[机] 垂直
📖 牛津释义
perpendicularity
n[U].
🗣️ 情景例句
Good luck.
祝你好运。
We enjoyed ourselves very much.
我们玩的很开心。
Whichever you choose, you won't be satisfied.
不论你选择哪一个，你都不会满意。