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
how could a guy not be hungry with all this talk about eating?
当大家都在谈吃的， 谁能不饿呢？
Love rules without a sword and bind without a cord.
爱的统治不用刀枪，捆绑不用绳索。
The brain needs a continuous supply of blood.
大脑需要连续不断地供血。