单词	Opisthobranchia
释义	Opisthobranchia plural noun Opis·​tho·​bran·​chia zoology : a large order of Euthyneura comprising marine gastropod mollusks having the gills when present posterior to the heart and having no operculum compare streptoneura see nudibranchia, tectibranchia opisthobranchiate ⸗¦⸗⸗¦braŋkēə̇t -ēˌāt adjective or noun Word History Etymology New Latin, from opisth- + -branchia
随便看	periodicalists periodically periodicalness periodicals periodicities periodicity periodide periodids periodisation periodisations periodization periodizations periodogram periodograph periodontal periodontal membrane periodontally periodontias periodontics periodontist periodontists periodontitis periodontitises periodontologies periodontology

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。