#VOA慢速听力(020) 搜索结果
Allthepeoplealsotookeitheradrugtolowerbloodpressureoranotherinactivesubstance.Afterfouryears,theresearchersfoundthatthedrugtolowerbloodpressurewaseffectiveinpreventingheartattacksandstrokes.VitaminEwasnot.Othe