You can tilt the iPad any direction, even upside down, and the screen will flip to display an upright image.

你可以任意旋转iPad，甚至上下倒置，屏幕会随即调整显示正确朝上的图片。

youdao

Southpaws can turn the screen upside down to get the same effect, though now you've got the home button on the top and the camera on the bottom.

左左撇子可以将屏幕上边缘调转以获得同样的效果，尽管这时你的HOME键在上部而摄像头在底部。

youdao

On the other half of the screen, the same animation was presented upside down and in reverse, but with the same audio as the upright version.

萤幕的另一半画面，同样的动画被上下、正反颠倒地播放，不过声音与直立的版本相同。

youdao