What makes this panoramic photo interesting to viewers is that you can zoom in and out move up or down or change your view – much like with Google Street View maps .

使浏览者对这张全景照片感兴趣的是你可以 放大或缩小、上 下移动或者改变你的视野&非常类似于谷歌的街景地图。

You can 't just hold the mouse pointer in the bottom-left of the screen say because a ball could zoom down there at any moment .

而将鼠标指针一直停留在左下角屏幕是行不通的，因为小球很可能突然 加速 下降 到那儿。