基本解釋海膽綱同根派生 Echinoidea相關(guān)詞英漢例句Any of various thin, circular echinoderms of the class Echinoidea, especially Echinarachnius parma, of sandy ocean bottoms of the northern Atlantic and Pacific. 沙錢，餅海膽：任一種海膽綱的瘦且圓的棘皮類動物，尤指外劍虱目，生活於北大西洋和太平洋沙質(zhì)洋底"echinoid:an echinoderm of the class Echinoidea, which includes the sand dollars and sea urchins." "海膽:一種屬於海膽綱的棘皮動物;包括沙錢和海膽.;"Echinoidea更多例句