Perpendicularity
n. 垂直, 直立\\n[机] 垂直
📖 牛津释义
perpendicularity
n[U].
🗣️ 情景例句
She just wants love and affection.
她需要爱和关怀。
Very please to meet you.
见到您很高兴。
What a nuisance!
真讨厌！