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
I left my bag of film on the ferry.
我把装底片的旅行袋遗放在渡船上了。
Never fry a fish till it's caught.
捉到鱼，才煎鱼。
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服，他的姐姐或父母亲就只好帮他的忙。