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
The good news is that the Levinsons have come by
好消息是Levinson夫妇已来这儿
Set a beggar on horseback and he'll ride to the devil.
小人得意，忘乎所以。
It's forbidden.
这是受禁止的。