Sideways sum
[计] 数位迭加和
🧩 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 a friend of Pete's.
我是Pete的朋友。
Overdone is worse than undone.
过犹不及。
She acted the role of the perfect servant for three years before Aunt Harriet discovered her 'little weakness'.
她担任“理想仆人”角色3年之后，哈丽特终于发现她有“小小的弱点”。