bluebirds/ˈbluː.bɝːd/名词蓝鸲,蓝色鸣鸟(北美小鸟,背及头部有蓝色羽毛)I love waking up to the cheerful songs of bluebirds outside my window in the springtime.我喜欢在春天醒来听到窗外蓝雀欢快的歌声。想跟读,去练习