sum [sʌm]

以下由轻松背单词网站提供

n.总数，和，金额，全部，概略，顶点；vt.总计，概括；vi. 合计；[数]并，并集

an amount of money

She was fined the sum of $100. 她被罚款金额一百美元。
Ten thousand dollars is a large sum. 一万美元是一大笔钱。