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 suppose I could call him.
我想我可以打电话给他。
How much is this meat per pound?
每磅肉要多少钱？
Yes, they are.
是的。