单词	echinoderm
释义	echinoderm /ɪˈkʌɪnə(ʊ)dəːm / /ˈɛkɪnə(ʊ)dəːm/ noun Zoology A marine invertebrate of the phylum Echinodermata, such as a starfish, sea urchin, or sea cucumber.Included in this clade are three very different-looking phyla - the echinoderms, hemichordates and chordates.... Basically what is available in the fossil record are only hard parts-bones and teeth for vertebrates, and shells for mollusks, arthropods and echinoderms. These taxa consist of a broad array of organisms, including foraminifers, corals, bryozoans, mollusks, echinoderms, and fish.
随便看	rearing house rearing supper rearise rear lamp rear light rearling rearm rearmament rear mirror rearmost rearmouse rear one's head rearousal rearouse rear pillar rear-projected rear projection rearrange rearrangement re-array rearrest rearrival rearrive rear sight rearticulate

英语词典包含243303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。