flightless bird

 
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flightless bird的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

Noun:
  1. flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds

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