birdsn.鸟，鸟类；禽（名词bird的复数形式）birdn.鸟；禽bird ventilator鸟牌通气机bird - strike鸟撞击birds in summer夏季鸟类birds in winter冬季鸟类Birdsofpredator猛禽bird feeder jarn.鸟食罐Bird rs formula伯尔德氏公式bird's eye viewbird of Minerva枭,猫头鹰bird mouth wing鸟嘴形机翼