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
Yes.
是的。
There was a big choice of shops in the small town.
这个小镇上有好多商店可供选择。
Let's go and take a look at it.
让我们去看看吧！