Semidefinite
[计] 半定的
🗣️ 情景例句
Richard, isn't that too much to ask of your mother?
Richard，那是不是太麻烦你母亲啦？
A little leak will sink a great ship.
千丈之堤溃于蚁穴。
The great cities have been built with no regard for us.
大城市的建设毫不关心我们。