Contravariant vector
[计] 逆变向量
🧩 词语组成解析
反［抗, 逆］变式, 抗［逆］变量
🗣️ 情景例句
Where can I put the coin?
硬币要放在哪儿？
Education has for its object the formation of character.
教育的目的在于培养品德。
I'm making a bookcase.
我正在做书架。