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
Yes, I hope so. I'll be looking forward to it.
但愿如此。我盼望这一天早日到来。
Virtue flies from the heart of a mercenary man.
唯利是图者，胸中无美德。
He could not see anything.
他看不见任何东西。