释义 |
Rhea americana 基本英英例句 n.美洲鸵鸟美洲鸵鸟科
Noun: larger of two tall fast-running flightless birds similar to ostriches but three-toed; found from Brazil to PatagoniaThe skeletons of sacro-pelvic region are compared among four species of ratite: Cassowary,Emu,Rhea and Ostrich.对鹤鸵、鸸鹋、美洲鸵鸟和鸵鸟的腰荐部骨骼进行了对比。 鸸鹋与鹤鸵在愈合荐骨的数目与构成、腰带的结构方面最为相似,均为开放式骨盆。 |