Covariant vector
[计] 协变向量, 协变矢量
🧩 词语组成解析
[计] 协变的
🗣️ 情景例句
I still live with my parents.
我还和父母同住。
It's about seventy degrees Fahrenheit this afternoon.
今天下午的温度大约70华氏度。
She always referred to them as 'the shifting population', for they came and went with such frequency that I never even got a chance to learn their names.
她称这些佣人叫“流动人口”，因为他们来匆匆，所以我甚至都没有机会知道他们的姓名。