Total sum
[经] 总数
🧩 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
What's the matter?
发生了什么事？
I know the boy whose father is an architect.
我知道那个男孩的父亲是建筑师。
The doctor examined the soldier's wound carefully.
大夫仔细检查了战士的伤口。