Semidefinite
[计] 半定的
🗣️ 情景例句
Thank you.
谢谢。
She never mends her clothes; they all have holes in them.
她从来都不补缀衣服。因此，衣服上到处都是破洞。
No, there isn't. The nearest is about 4 kilometres away. You'd better catch a bus.
不，附近没有。最近的离这大约4公里。你最好乘公共汽车去。