Manyofusenjoywatchinganimalsintheworld.Butdoyouknowthey...
问题详情：Manyofusenjoywatchinganimalsintheworld.Butdoyouknowtheycanteachus.Geese(雁),forexample,teachaverygoodlessonabout1thefall,Canadageeseflytothewarmsouthto2Canada’scoldwinter.Theyliftoffinnoorder...