Semidefinite operator
[计] 半定算子
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
I can't wait to get back home and see everyone again.
我迫不及待地想回国看看。
Hard to say.
很难说。
I'm sorry, I don't know. You'd better ask that policeman.
对不起，我不知道。你最好问问那位警察。