Speaken.斯皮克
speakv.讲;说话;演说;发言
speak impromptu即席讲话
speak the truth说实话
speak for sb.为人说项
speak in imagesadj.用比喻说(说话形象化)
speak at length发一通议论
speak diaphragm扬声器振膜
speak our piecevi.公开说出自己的意见(申诉;求婚)
speak of sth.表明,暗示
speak generally一般说来
speaking system扬声器系统