单词	mouth hook
释义	mouth hook noun : one of a pair of hooked larval mouthparts of some dipteran flies that function as jaws Word History First Known Use 1935, in the meaning defined above
随便看	gravity knife gravity meter gravity railroad gravity railway gravity spring gravity wave gravity wind gravity yard gravlaks gravlax gravs gravure gravures gravy gravy boat gravy train gravy trains grawlix grawlixes gray gray alder gray antimony gray area gray birch gray bird

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