- 问题详情: Todaytherearemanyfiresthaninthepast.Over100,000wildfiresburneachyearinAmerica.Russiahas20,000to35,000wildfireseveryyear.Australiahasonaverage60,000eachyear.Thesefiresdestroy(损害)hugeareasofforestsandburnhundredsofhomes.Manyexpertsbelieve...
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