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科学家们梦想,有一天人们可能会用几个原子制造一台发动机。但是现在我们还只能制造出一些微型机器,象微型电动机、传感器及驱动器等。它们要比梦想中的微型机器大几千倍。
Scientists dream that one day people might make an engine with a few atoms. But now we can only create some miniature machines, such as miniature motors, sensors and actuators. They are thousands of times larger than their dream miniature machines.