N'deh makes a curious gesture with his hand, touching one finger to his forehead and flicking it gracefully toward Josh.
N'deh 做了一个有趣的手势：用一根手指碰了一下自己的额头，接着优雅的指向杰克。
2
Perhaps the best example of this is photo viewing: you flip between pictures by simply flicking your finger across the screen, and you double-tap to zoom in and out, just as you would on an iPhone.