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
What do people usually do on that day?
在这一天，人们通常干什么？
That's ok fine.
挺好的。
It now came straight towards them at tremendous speed.
它现在正以惊人的速度直冲他们驶来。