阅读理解。Let'slookattwooldbutpopularinventionsweuseinourdai...
问题详情：阅读理解。Let'slookattwooldbutpopularinventionsweuseinourdailylife.Band－Aids(创可贴)ThefirstBand－AidwasmadebyAmericanEarleDicksoninideacametohimbychance.Dickson'swifeJosephineoftencutherfinger...