Semidefinite
[计] 半定的
🗣️ 情景例句
These items shouldn't be difficult to come by
这些东西应该是不难弄到的，
No wonder everyone speak highly of your commercial integrity.
难怪大家都极为推崇你们的商业信誉。
Thank you, Mum, for my party, and for my beautiful presents!
妈，谢谢你为我举办聚会，谢谢你送给我美丽的礼物！