The first paper was made from the bark of the mulberry tree.
更新时间:2024-11-24 09:05:16 A、driedwoodB
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MaryMcCarthyssatires讽刺文学arecouchedinaprosestylethathasaclassicprecision.
Someanimalspantandsweattospeedevaporationofbodymoistureandthuscoolthemselves.
Communicationisoneofthemostimportantbondsthatholdculturalsystemstogether.
TheSalkvaccineisamajorfactorinthefighttoeradicatepolio.
Thewheelsofthefirstroadvehicleswerefashionedfromcrudestonedisks.
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