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
who spent the last five years
用过去五年的时间
The death of wolves is the safety of the sheep.
群狼一死众羊安。
Sure, Mom. I'll get some at once.
好的，妈妈。我这就去。