| 单词 | stickleback | 
| 释义 | stick·le·back    (stĭkəl-băk′)n.  Any of various small freshwater and marine fishes of the family Gasterosteidae, having erectile spines along the back. [Middle English stikelbak : Old English sticel, prick; see  steig- in the Appendix of Indo-European roots + Middle English bak, back; see  BACK1.]  | 
	
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