单词	acorn worm
释义	acorn worm noun : any of a class (Enteropneusta) of burrowing wormlike marine animals having an acorn-shaped proboscis and classified with the hemichordates Word History First Known Use circa 1889, in the meaning defined above
随便看	dithematic dither dithered ditherer ditherers dithering dithers dithery dithi- dithio- dithiocarbamate dithiocarbamates dithiocarbamic acid dithionate dithionates dithionic acid dithionite dithionous acid dithizone dithyramb dithyrambic dithyrambically dithyrambs dithyridium diting

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