Semidefinite
[计] 半定的
🗣️ 情景例句
that I wasn't sure.
我说我不能确定。
I saw him last Monday.
我上个星期一看到他。
When we later walked down the main street of the villager, we were followed by a silent procession of children.
后来，我们在村里的主要街道上行走的时候，一队默不作声的孩子跟在我们后头。