Semidefinite
[计] 半定的
🗣️ 情景例句
I'm planning to run for the school board.
我打算竞选联合校董会董事。
The morning sun never lasts a day.
好景不常。
I love you more than my own life, more than my wife, and more than all the world.
我爱你胜过爱我自己的生命、自己的妻子和整个世界。（他哭了。）