Eigenpolynomial
特征多项式
🗣️ 情景例句
I see what you mean.
我懂你的意思。
I've got a pain in my back.
我背疼。
The party then searched the whole cave thoroughly but did not find anything except an empty tin trunk.
队员们接着又把整个洞彻底搜寻了一遍，但除了一只空铁皮箱外什么也没找到。