Perpendicularity
n. 垂直, 直立\\n[机] 垂直
📖 牛津释义
perpendicularity
n[U].
🗣️ 情景例句
Do what you are told.
叫你怎么做，你就怎么做。
I will be having dinner in Paris in April.
我将在四月份在巴黎吃晚餐。
Some plays are so successful that they run for years on end,
有些剧目十分成功，以致连续上演好几年。