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	refulgence refulgent refund refurbish refurbishment refusal refuse refutable refutation refute reg. regain regal regale regalia regally regard regarding regardless regatta regelation regency regenerate regeneration regenerative

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