在这种情况下，赵用自己的手指覆盖图形，然后用一个较大的对象，他的手机作为一个橡皮擦。
In this case, Zhao used his finger to overlay a drawing and then used a larger object, his cell phone, as an eraser.
该文件橡皮擦的工作原理是覆盖数据多次选择的模式。
This File Eraser works by overwriting data several times with select patterns.
在地球上被找到作为唯一，橡皮覆盖物浓缩行星的认为水。
Think of the water that's found on Earth as a single, rubbery covering that encapsulates the planet.
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