Contragradient transformation
[计] 逆步变换, 反步变换
🧩 词语组成解析
[计] 逆步的
🗣️ 情景例句
Let me introduce you, Mr. Maxwell.
让我给你介绍一下， Maxwell先生。
He was lucky to have a good home in which to grow up.
他幸运地生长在良好的家庭里。
By the way, I came into this classroom last Saturday morning, and it was not as clean as usual.
顺便提一句，上星期六上午我来到这个教室时