Bidiagonal matrix
[计] 两对角线矩阵
🧩 词语组成解析
[计] 对角的
🗣️ 情景例句
I don't know what I would do without you.
我真不知道没有你们我怎么办。
I can speak English.
我会说英语。
I tried to say something, but my mouth was full of cotton wool.
我想说点什么，但我嘴里塞满了药棉。