Sparse matrix
[计] 稀疏矩阵\\n[化] 稀疏矩阵
🧩 词语组成解析
🗣️ 情景例句
People who take less exercise seem more vulnerable to illness.
缺少运动的人对疾病的抵抗力就差。
This is Tom. He's my classmate.
这是汤姆。我的同学。
Of course. When I got there, you had already started playing. So you didn't see me.
当然啦。当我到那里时，你们已经开始踢球了。因而你没看见我。