| 单词 | recognition call | 
| 释义 | > as lemmasrecognition call   recognition call  n. Zoology a call made by an animal, esp. a bird, believed to serve as a means of recognition to others of the same species. ΚΠ 1911    J. A. Thomson Biol. Seasons  ii. 155  				Love-calls and song probably had their roots in the simple recognition-call or characteristic signal of the species. 1946    Condor 48 169  				A common recognition call or greeting. 1990    Behavioural Processes 22 157  				Aptenodytes penguins have a recognition call consisting of a series of repeated syllables. < as lemmas  | 
	
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