“凸凹形”概念、定义、翻译-科学时代

单词	凸凹形
释义	人类学词汇手册 convexo-concave 凸凹形
随便看	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 downland down lead down left down left--down left（DL） down left（DL） down limit downlink downlink downlink downlink download

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。

convexo-concave