bluebird/ˈbluː.bɝːd/名词蓝鸲,蓝色鸣鸟(北美小鸟,背及头部有蓝色羽毛)Every morning, I wake up to the sweet melodies of a bluebird perched outside my window.每天早上,我会被站在窗外的一只蓝鸟发出的甜美旋律唤醒。想跟读,去练习