“concave-concave”概念、定义、翻译-科学时代

单词	concave-concave
释义	美术、书法与摄影词汇手册 concave-concave 双凹的
随便看	Portia portio legitima portion portioned meat portioning machine portioning machine portion pack portion pack portique Portland port land area portland blast-furnace slag cement Portland cement portland cement portland cement portland fly-ash cement portlast portlight port limit Port Louis portmanteau portmanteau morph portmanteau word portmanteau word portmapper

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。