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
You think so?
你想会是这样吗？
The restaurant is upstairs.
那餐厅在楼上。
After lunch Aunt Huang came in and she looked worried.
午饭后黄阿姨来了，她面带愁容。