手指伸展,掌心下压。
可以用拖动手指的方法来移动对象,通过两根手指伸展或捏紧的方法来缩放对象,把手指移出屏幕边缘则可取消操作。
Objects can be moved on the screen by dragging them with a finger, made bigger or smaller by spreading or pinching them with two fingers, and discarded with a flick off the screen's edge.
微型显微镜太厉害了:如果我在身前伸展胳膊,显微镜会聚焦到我一片手指甲上的一小块。
The little telescopes are amazing: if I stretch my arm out in front of me, the telescopes focus on one-quarter of one of my fingernails.
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