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
That'll cheer you up.
这样会让你舒畅些。
When a friend asks, there is no tomorrow.
朋友的要求不要拖。
He made up his mind to once again ask for her hand in marriage.
他下决心再一次向他求婚。