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
before Michelle and her friends arrived.
在Michelle和她的朋友们来之前。
She is now on vacation.
她正在休假。
But they still put their stockings at the end of their beds.
但他们仍然把自己的长统袜挂在床脚边。