常見(jiàn)例句雙語(yǔ)例句Disk tail-feather tip, wobbles during display, Courtesy Peter Mullen, Ph.D.王極樂(lè)鳥(niǎo)尾羽尖端的圈形結(jié)構(gòu)在展示過(guò)程中會(huì)不斷晃動(dòng)，彼得·穆倫（Peter Mullen）博士惠贈(zèng) 返回 feather tip