Elementary sum
[计] 基本合
🧩 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
My pleasure, Son.
不客气，儿子。
Call me tomorrow if you have time.
明天要有时间就给我打个电话。
Snails would, of course, be the main dish.
蜗牛当然是道主菜。