blue·bird 
(blbûrd′)
(blbûrd′)n.
Any of several North American songbirds of the genus Sialia, having blue plumage and usually a rust-colored breast in the male.
| 单词 | bluebird |
| 释义 | blue·bird (blbûrd′)n. Any of several North American songbirds of the genus Sialia, having blue plumage and usually a rust-colored breast in the male. |
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