Underdeterminant
子行列式
🗣️ 情景例句
I care about the practical things.
我关心实用的事物。
It is an equal failing to trust everybody, and to trust nobody.
信任一切与不信任任何人，同样是弱点。
When Dimitri came in from the fields, his wife told him what had happened.
迪米特里从地里回来，妻子把情况跟他一说，