n.北美洲产的蓝知更鸟( bluebird的名词复数 )...

bluebirds的音标：...

Building their nests in trees helps protect the bluebirds'young.把鸟巢建在树洞里可以保护它们的幼鸟.If happy bluebirds fly Beyond the rainbow Why, oh why can't I?如果快乐的小青鸟儿飞过了彩虹那麽, 我为何不能?If bluebirds fly Beyond the rainbow Why, o...