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                reef的一般过去时为:reefed... 
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                The ship was wrecked on a coral reef.这条船在珊瑚暗礁上撞毁了。Photo Gallery : Marine Marvels A freckle - face blenny peeks from its reef burrow in the Solomon Islands.海洋的奇迹图片.一条雀斑面孔的粘鱼在窥视从它的暗礁洞穴位于所罗门群岛.The large number of barrier re... 
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                reef的第三人称单数(三单)为:reefs... 
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                reef的复数形式为:reefs... 
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                reef的现在完成时为:reefed... 
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                A coral reef is built by the accretion of tiny, identical organisms.珊瑚礁是由许多相同的微生物不断堆积而成。the multifarious life forms in the coral reef珊瑚礁上的多种生命形式Waves mountain - high broke over the reef.滔天巨浪盖过礁石.... 
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                n.礁,暗礁,[矿]矿脉,[航]缩帆部,榫帆部vt.收帆,缩帆... 
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                reef的音标:reef的英式发音音标为:[ri:f]reef的美式发音音标为:[rif]...