passenger pigeon

同根派生

• passenger pigeon相关词

英汉例句

用作名詞 (n.)

• It was extinction by dilution, and to the ornithologists it was just as tragic as the more dramatic demise of the passenger pigeon or the Carolina parakeet.
  對鳥類學家來說，這和北美候鴿或卡羅來納長尾小鸚鵡大批大批地死亡同樣悲慘。

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