单词	crustacean
释义	crustaceancrustacean /krʌˈsteɪʃən/ noun [countable] Etymology ETYMOLOGYcrustacean Origin: 1800-1900 Modern Latin crustaceus, from Latin crusta; ➔ CRUST science, biology an animal such as a lobster or a crab that has a hard outer shell and several pairs of legs, and usually lives in water—crustacean adjective
随便看	ECT ectoderm -ectomy ectotherm ectothermic Ecuador Ecuadorian ecumenical ecumenically eczema ed -ed ed. Edam eddy Eddy, Mary Baker edema Eden edge edgewise edging edgy edible edict edification

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