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
I sure do. It was fun.
当然。当时真有意思。
An old dog cannot alter its way of barking.
老狗难改吠声。
Yes, I look young,too!
我看上去也很年轻。