参观酒窖前，游客们先观看了有声的视频介绍。Visitors are shown an audio-visual presen-tation before touring the cellars.嘉宝拍过24部电影，先是无声的，后是有声的。Garbo made two dozen films, first silent pictures then talkies.普绪喀听从这些有声无形的外人的意见.Psyche gave ear to t...