单词	flipper
释义	flipperflipper /ˈflɪpɚ/ noun [countable] 1 science, biology a flat part on the body of some large sea animals, used for pushing themselves through water2a large flat rubber shoe that you use to help you swim faster
随便看	cool coolant cooler cool-headed Coolidge, Calvin coolie cooling-off period cooling system cooling tower coolly coolness coon coonskin co-op coop cooped up cooper cooperate cooperation cooperative Cooper, James Fenimore co-opt coordinate coordinate axis coordinate plane

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