Semidefinite
[计] 半定的
🗣️ 情景例句
When would we have to move?
什么时候我们得搬家？
He who fears to suffer, suffers from fear.
怕吃苦头的反因怕而吃苦头。
'I am sorry,' he said.'I do not speak English.'
”很抱歉，“他说，”我不会讲英语。”