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单词	Chaetognatha
释义	Chaetognatha plural noun Chae·​tog·​na·​tha kēˈtägnəthə : a phylum of small, slender marine animals comprising the arrow worms But the absence of a definite synapomorphy between Chaetognatha and any other metazoan taxon except Bilateria itself has cast the arrowworms into an enduring isolation. Edward E. Ruppert et al., Invertebrate Zoology: A Functional Evolutionary Approach, 2004 see also sagitta, spadella chaetognathan -thən adjective chaetognathous -thəs adjective Word History Etymology New Latin, from chaet- + -gnatha
随便看	officer at arms rehashes rehashing rehave rehear reheard rehearing rehearings rehears rehearsal rehearsal dinner rehearsals rehearse rehearsed rehearser rehearsers rehearses rehearsing rehearsings reheat reheated reheater reheaters reheating reheating furnace

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