单词	proficuous
释义	proficuous adjective obsolete : profitable, useful Word History Etymology Late Latin proficuus, from Latin proficere
随便看	heliolatries heliolatrous heliolatry heliolite heliolithic Heliolitidae heliometer heliometers heliometric heliometrically heliometries heliometry heliomicrometer heliopauses Heliophila heliophilae heliophilas heliophile heliophilic heliophilous heliophobic heliophobous heliophyllite heliophyte heliophytes

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。