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
and I can finish wrapping all these gifts.
和我可以把这些礼物包装完。
When it started raining, I was playing outside.
当雨开始下的时候，我在外面玩。
A young man and a young woman were sitting behind me.
一青年男子与一青年女子坐在我的身后，