| 单词 | vireo | 
| 释义 | Word Frequency vireo(ˈvɪrɪəʊ) nounWord forms:  plural vireos any insectivorous American songbird of the family Vireonidae, esp those of the genus Vireo, having an olive-grey back with pale underparts  Word originC19: from Latin: a bird, probably a greenfinch; compare virēre to be green | 
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