Matrix selection
[计] 矩阵选择
🧩 词语组成解析
🗣️ 情景例句
What's wrong?
怎么啦？
He that lives well is learned enough.
生活好者，博学多才。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。