名词
中文翻译：旅客鸽
同义词：
['tourist pigeon', 'passenger bird例句：1. The passenger pigeon was a symbol of the American West.（旅客鸽是西部的象征。）2. Many species of birds are known to breed in large numbers during the winter months.（许多鸟类在冬季会大量繁殖。）']
例句：
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1. The passenger pigeon was a symbol of the American West.
旅客鸽是西部的象征。
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2. Many species of birds are known to breed in large numbers during the winter months.
许多鸟类在冬季会大量繁殖。
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3.The passenger pigeon is now endangered due to habitat loss and hunting.
由于栖息地丧失和狩猎，旅客鸽现在处于濒危状态。