Arithmetic sum
[计] 算术和
🧩 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
I'm doing great.
我很好。
How much is the interest a year?
每年利息多少？
I have a letter of introduction here.
我这儿有一封介绍信。