Semidefinite
[计] 半定的
🗣️ 情景例句
He started out as a salesman.
他开始时当推销员。
Many good cows have evil calves.
很多好母牛，会生坏小犊。
We're warm, we're dry and we're safe.
“我们不感到冷，身上是干的，而且我们很安全。