Perpendicularity
n. 垂直, 直立\\n[机] 垂直
📖 牛津释义
perpendicularity
n[U].
🗣️ 情景例句
Have you got any plans for celebrating your birthday?
你计划好怎样庆祝你的生日了吗？
How often did I tell you to keep quiet?
我告诉你多少次要安静?
By the way, where are you going now?
顺便问一句，你现在去哪里？