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
Where do people hang out on the weekend?
大家周末都去哪儿玩？
You had better leave right now.
现在你最好立刻回去。
Mr.Wang is fixing his bike.
王先生在修他的自行车。