As soon as they hit the object in front, the waves will return to the glove.
一旦碰到前面的物体，波浪就会回到手套上。
The line junctions in these letters, when found in nature, provide valuable spatial information, such as whether an object is in front of or behind another.
线条汇合成了这些字母，在实际生活中，他提供了有用的空间信息，比如说确定一个物体在另一个的前面还是后面。
For example, an image of the scene behind an object was projected on a screen in front of it, " he says.
举例来说，就是将物体身后的景象投射到它前面的屏幕上，”他说道。
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