Companion matrix
[计] 友阵, 伴随矩阵
🧩 词语组成解析
companion
[kəm'pænɪən]
n. 同伴;[天]伴星(=~star);（用于书名）指南;同甘共苦的伙伴;
vt. 同行;陪伴;
com 共同 + pan谋生 + ion表名词 →共同谋生的人 → 同伴
🗣️ 情景例句
Chairman Mao said it is necessary to drill as much as possible.
毛主席说，反复操练是非常必要的。
I guess I've outgrown this pair of trousers.
我想这条裤子对我来说小了。
Who was it?
谁打来的电话？