- a small European weaverbird, Passer montanus, similar to the house sparrow but having a brown head
- a small North American finch, Spizella arborea, having a reddish-brown head, grey underparts, and brown striped back and wings
| 单词 | tree sparrow |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 tree′ spar′row,
Collins Concise English Dictionary © HarperCollins Publishers:: tree sparrow n
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