“sum”概念、定义、翻译-科学时代

单词	sum
释义	会计与审计词汇手册 sum 总数，总和；款项；金额；合计，总计
随便看	downfeed system down fold down front down garment downgrade downgrade downgrade downgrade downgrading down grading downgrading down grain downhand position downhaul downhill casting downhill creep downhill creep downhill race downhill timber down-hole hammer drilling down-ladder operator downland downland downland down land

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

sum