Oneanimalwhichisstillalive,buthasalmostdisappearedfromt...
问题详情：Oneanimalwhichisstillalive,buthasalmostdisappearedfromtheworld,istheChineseriverdolphinorbaiji.Thebaijiisabeautifulanimalwithagracefulbodyandalongnose.Itisblue-greywithawhiteunderside,weighsbe...