Sum term
[计] 和项
🧩 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
All my bags are checked in. I guess I'm all set to go.
我的行李都检查完了，看来我可以走了。
I know the boy whose father is a scentist.
我知道那个男孩的父亲是科学家。
He opened it and saw the man from downstairs.
他打开门，看见楼下人。