男孩们蜷缩在楼上的小卧室里睡熟了。The boys are curled asleep in the small bedroom upstairs.他们对住在楼上的人感到很好奇。They were very curious about the people who lived upstairs.寝室在楼上,餐厅在楼下.The bedrooms are upstairs and the dining - room is downstair...
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...