Squirrelsoftencommunicatewithwhistles,chirpsandchucks,w...
問題詳情：Squirrelsoftencommunicatewithwhistles,chirpsandchucks,whichsoundliketheword“chuck”.Whistlesandchirpsarelikethesoundsthatmanybirdsmake.Nowscientistshavetranslatedsomeoftheirsquirrel-speak.Har...