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 can see well both day and night.
我白天晚上都能看得很清楚。
They had excepted me to go with them.
他们原本希望我和他们一起去。
Today Native Americans express their anger over this business deal.
今天，美国的土著人对这桩买卖仍然愤愤不平。