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	seduce seducer seduction seductive seductively seductiveness seductress sedulous sedulously see seed seedbed seed capital seed coat seed cone seediness seedling seed money seed pearl seedy seeing Seeing Eye dog seek seeker seem

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