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单词	cephalochordate
释义	cephalochordate noun ceph·​a·​lo·​chor·​date ˌse-fə-lō-ˈkȯr-ˌdāt  -dət plural cephalochordates : an animal of the subphylum Cephalochordata : lancelet Although cephalochordates had achieved the primary characters of chordates—notochord, dorsal hollow nerve cord, and pharyngeal gill slits—as well as a postanal tail and segmental muscles throughout the trunk and tail, they lack many other features that characterize vertebrates. Robert L. Carroll, Patterns and Processes of Vertebrate Evolution, 1997 cephalochordate adjective Word History First Known Use 1904, in the meaning defined above
随便看	gymnastically gymnasticcer gymnasticcest gymnasticer gymnasticest gymnastics gymnasts gymneles gymnelises gymnelisses gymnic gymnics gymno- gymnoblast Gymnoblastea gymnoblastic gymnocalycia Gymnocalycium gymnocalyciums Gymnocarpeae gymnocarpia gymnocarpic gymnocarpiums gymnocarpous gymnocarpy

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。