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
Well, it was great to see you again. Let's not wait this long next time.
可以再见到你真是太好了，希望我们下次见面不用等这么久。
May I have your name?
请问你姓名？
for it is then almost ready to undertake heavy work and can begin to earn its keep straight away.
这个年龄的象差不多已能干重活，可以很快挣回饲养它的开支。