Ratite

[rætait]

解释:

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

整理:尼古拉斯--From WordNet

解释:

(a.) Of or pertaining to the Ratitae.

(n.) One of the Ratitae.

杰里米整理