Many iPhone apps on the market are aimed directly at preschoolers, many of them labeled "educational, " such as Toddler Teasers: Shapes, which asks the child to tap a circle or square or triangle;

市场上的许多iPhone应用程序都是直接面向学前儿童的，许多程序都贴上了“教育”标签，例如“学步幼童趣味挑战题：形状”，这种程序让小孩点击圆圈、正方形或三角形；

youdao

Tap the square horizontally or vertically adjacent to the empty square to move the pieces till you get the original image.

点击空位四周的图块就可以将其移动到空位上，直至把整幅图片复原。

youdao

But the "h" isn't in a square, so I'd tap the blank space between these squares.

WSJ: From QWERTY to Quirky: New Ways to Type on Glass

Polaroid Fotobar aims to tap into unprecedented interest in photography with its inaugural 2, 000-square-foot store.

NPR: 1st Polaroid-Branded Photo Store Opens In Fla.