Don-bidiagonal matrix
[计] 下二对角矩阵
🧩 词语组成解析
don
[dɔn]
n. 大学教师，（牛津、剑桥大学的）导师，特别研究员;
vt. 穿上，披上;
[计] 对角的
🗣️ 情景例句
Don't worry about it. It's a taken of my appreciation for your business, and friendship.
没关系的。这是向你表示我们在生意及友谊上的一点心意。
He hasn't done any worthwhile work in five years.
这五年来他没做过一件正经事。
I can't believe a word you say.
我才不信你呢！