| 单词 | ruby-throated hummingbird | 
| 释义 | ruby-throated hummingbirdnoun  ru·by-throat·ed hummingbird  ˈrü-bē-ˌthrō-təd-    : a hummingbird (Archilochus colubris) of eastern North America having a bright metallic green back, whitish underparts, and in the adult male a red throat   | 
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