The bright plumage of many male birds has evolved to attract females.很多雄鸟进化出鲜艳的羽毛是为了吸引雌鸟。This is the only species of flamingo in the region, easily recognized by its pink plumage.这是那个地区唯一一种火烈鸟, 很容易凭粉红色的羽毛辨认出来....the vivi...
他说得很慢，每个词之间都有停顿。He talks quite slowly and spaces his words out.离开时，她在门口停顿了一下。On leaving, she paused for a moment at the door.他停顿了一下，歪着头，好像是在听。He paused and cocked his head as if listening....