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
The interview and conversation between us in Beijing are quite useful and inspiring.
我们在北京的会面和谈话是十分有益和令人鼓舞的。
I'm sorry to hear that.
听到这个消息我感到遗憾。
Supper is ready at six.
晚餐六点钟就好了。