n.flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds
平胸鸟类参考来源 - 鸵鸟性别鉴定的分子标记方法 A Molecular Method for Sex Identification in the Ostrich (Struthio camelus)
英英释义
ratite bird
n.flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds