For breeding, most birds build nests, which help them to incubate, or warm, the developing eggs. Nests sometimes offer camouflage from predators and physical protection from the elements. Nests may be elaborate constructions or a mere scrape on the ground.
- breed [bri:d] v.生育; 繁殖
- nest [nest] n.巢
- incubate [ˈinkjubeit] v.孵化
- camouflage [ˈkæmuflɑ:ʒ] n.伪装
- element [ˈelimənt] n. 环境
- elaborate [iˈlæbəreit] adj.精心制作的
- scrape [skreip] n. 浅坑
