Submatrices
(submatrix 的复数) [计] 子矩阵
🗣️ 情景例句
I'm sure everyone will be very happy with these gifts.
相信他们一定会喜欢这些礼物的。
I meet the boy whose aunt is a model.
我遇到那个男孩的姑妈是模特。
What's wrong?
怎么了？