Bidiagonal matrix
[计] 两对角线矩阵
🧩 词语组成解析
[计] 对角的
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
Why does only one sock get lost at a time?
为什么袜子只丢了一只呢？
Your prices seem a little high.
你们的价钱高了一些。