1. Even with their dummy distractions, ventriloquists still rely on the age-old techniques of spiritual mediums.
    即使有人偶作为障眼法，腹语表演者仍旧依赖灵媒长年所使用的技巧。

2. To perform such feats, ventriloquists once wore long mustaches to hide lip movement.
    为了表演这样的技艺，腹语表演者一度留着长胡子来掩饰嘴唇的动作。