Unit vector
[计] 单位向量
🧩 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
She was still beautiful at the age of forty.
她活到四十岁仍然很美。
This is a camera.
这是一台照相机。
I have had so many falls that I am black and blue all over.
我摔了好几跤，全身又青又紫。