Partial sum
[计] 部分和数
🧩 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
This big house is perfect for our large family.
这坐大房子完全适合我们大家庭居住。
I'm the shortest man in my party.
我是我的聚会中最矮的男人。
Excuse me. Is there a station near here?
请问，附近有车站吗？