Unit matrix
[计] 单位矩阵
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Hi. I'm Malcolm Stewart.
嗨。我是 Malcolm Stewart。
I leave the house at eight a.m. each day.
我每天在上午8点离开房子。
In the beginning they used to carve Chinese characters on stones to record important dates in history.
开始时，他们常把汉字刻在石头上，记载历史上重要的日期。