Four-vectors
(four-vector 的复数) 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;
n. 带菌者；向量（vector的复数）
🗣️ 情景例句
Involve the entire family in a reading project.
让整个家庭都参与阅读计划。
She is singing in practice.
她在练习唱歌。
The daily exercises lasted only eleven minutes and I proposed to do them early in the morning before anyone had got up.
早锻炼一共只有11分钟，我打算在别人起床之前进行。