- 问题详情:ReneLaennecwasaFrenchdoctorwholearnedtotaponpeople’scheststofindoutillnessfromanAustriandoctornamedLeopoldaboy,Leopoldusedtotapwine___41___(contain)inhisfather’sinntoseehowmuchwinetheyheld.Afullonemade___42___differentsound fromanemptyhebec...
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