| 单词 | white-bellied swallow |
| 释义 | white-bellied swallow (once / 1688473 pages) n WORD FAMILY white-bellied swallow USAGE EXAMPLESI had a remarkably good opportunity to make the acquaintance of this youngster—the white-bellied swallow. Miller, Olive Thorne, Little Brothers of the Air(2010) n bluish-green-and-white North American swallow; nests in tree cavities Syn|Hyper Iridoprocne bicolor, tree swallow swallow small long-winged songbird noted for swift graceful flight and the regularity of its migrations |
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