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
Absolutely right.
完全正确。
The lovers are watching the sailing boat.
情侣们在眺望着帆船。
Shut up!
闭嘴！