passenger pigeon

• n. [鸟]候鸽(原产于北美)

passenger pigeon的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

1. gregarious North American migratory pigeon now extinct

passenger pigeon的用法和样例：

例句

用作名词 (n.)

1. 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.
   对鸟类学家来说，这和北美候鸽或卡罗来纳长尾小鹦鹉大批大批地死亡同样悲惨。