- 问题详情:Earlypeoplehadvery.Effeteontheenvironment.Theylivedincavesinsmall‘clan’groupaTheycollectedorkillednalymovedaroulid.Followingtheanimalsthatweretheirmainfoodsourceandseekingareaswhereandsimilesbadtimetobreed(繁殖)bdforebeforetheclanretumedfor...
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