Semidefinite operator
[计] 半定算子
🧩 词语组成解析
[计] 半定的
🗣️ 情景例句
I don't understand. Did you exercise or not?
我搞不懂 ，你到底作了健身操没有？
I wish I had half the money he does.
但愿我有他一半的钱。
I must go to the butcher's, too.
我还要到肉店去一下。