| 单词 | Acoela | 
| 释义 | Acoelaplural noun  Acoe·la    (ˈ)ā-ˈsē-lə     : an order or other division of Turbellaria that is sometimes regarded as a suborder of Rhabdocoela and comprises marine flatworms that lack a digestive cavity with definite walls and that receive food into a porous mass of endodermal tissue    | 
	
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