Butterfliesaresomeofthemostbeautifulinsectsintheworld.H...
问题详情：Butterfliesaresomeofthemostbeautifulinsectsintheworld.However,whatintereststhescientistsmostisnottheirfascinatinglooks,buthowtheysensethenature.Theyusetheirsensesofsight,touch,hearing,smell,an...