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
Don't you think you ought to call Pete
你不觉得应该打个电话给Pete
How long is the street?
这条街有多长？
Get away from me!
离我远一点儿！