Submatrix
[计] 子矩阵
🗣️ 情景例句
No one lives here by that name.
这里没有人叫那个名字。
I used to start working at 9:00 o'clock every day.
我过去常在9:00点钟开始每天工作。
and the doctor in charge of the department is only too ready to provide them with these requirements.
负责门诊的医生也非常乐意为前来看病的人提供他们想要得到的药物，