Semidefinite
[计] 半定的
🗣️ 情景例句
Oh, Susan, thank you so much
噢 ，Susan ，谢谢你。
Yes,it's mine.
是，是我的。
When the plane arrived, some of the detectives were waiting inside the main building while others were waiting on the airfield.
当飞机到达时，一些侦探等候在主楼内，另一些侦探则守候在停机坪上。