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。

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.

It so happens that sight, sound, and movement already map to one another so closely, that even bad ventriloquists convince us that the dummy is talking.

碰巧，视觉、听觉还有运动已经联系得十分紧密，即使是拙劣的口技表演者也能让我们相信人偶真的在说话。