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
I am too, Dad.
我也一样， 爸爸。
I've been watching TV all night.
我看了一整晚的电视。
He said, Pauline is typing letters. She can't speak to you now!
他说：“波淋正在打信，她现在不能同你讲话！”