Perpendicularity
n. 垂直, 直立\\n[机] 垂直
📖 牛津释义
perpendicularity
n[U].
🗣️ 情景例句
He seems to be getting on very well at school.
他在学校似乎过得很好。
Is it yours?
它是你的吗？
'I'm sorry, we've sold out,' the girl said.
“对不起，票已售完。”那位姑娘说。