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
Oh! Good afternoon. Mr. Wilson, I'm sorry, but he's not in. He's gone out on business.
哦，您好！威尔逊先生。很抱歉，他不在家，他出差了。
Although my career as an international businessman is limited.
虽然，作为一个国际商人，我的事业是有局限性的。
Jim, could you help me, please? I want to get some books.
吉姆，你能帮我一下吗？我想拿些书。