Four-vector
四元矢量; 四矢量
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
🗣️ 情景例句
taking a vacation together--with the family.
要一起渡个假， 全家一起。
You saw that movie, didn't you? Was it interesting?
你看过这部电影了吧？精彩吗？
Three quarters of the world's books and newspapers are written in English.
3/4的书籍和报纸是用英语写的。