Oneanimalwhichisstillalive,buthasalmostdisappearedfromt...
問題詳情：Oneanimalwhichisstillalive,buthasalmostdisappearedfromtheworld,istheChineseriverdolphinorbaiji.Thebaijiisabeautifulanimalwithagracefulbodyandalongnose.Itisblue-greywithawhiteunderside,weighsbe...