Zoology and Palaeontology (a) The bony spine or sting near the base of the tail of a stingray; (b) the alveolus of a belemnite; (c) the dorsal fin…
| 单词 | θ36714 | 
| 释义 | the world > animals > fish > subclass Elasmobranchii > order Hypotremata > 			[noun]		 > member of family Dasyatidae (sting-ray) > part of (1)		 radius1657 Zoology and Palaeontology (a) The bony spine or sting near the base of the tail of a stingray; (b) the alveolus of a belemnite; (c) the dorsal fin… | 
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