野外生存常识英语作业PPT Knowledgeoffieldsurvival 野外生存常识 •Whenwelostinthewilderness,wemustlearnto...•Identifythedirection辨别方向•Thesearchforwater寻找水源 Whenwelosthowtoidentify(确定,识别)thedirection?•Useacompass•(使用指南针)•FindtheNorthStar•(寻找北极星)•Throughthetrees...