Vector sum
[计] 向量和
🧩 词语组成解析
sum
[sʌm]
n. 总数;算术;金额;概略，要点;
vt.& vi. 总计;总结，概括;归纳;
🗣️ 情景例句
I'm doing it for us, Harry.
我是为我们大家做的， Harry。
Won't you come alone with me? My boss wants to see you.
能跟我一起来吗？我们老板有事要见你。
I would like you to change this blouse, or else give me my money back.
我想要你换掉这件衬衣，要不就把钱退给我。