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Popular Science[2009.10]日行万里早已不是神话。飞机可以,火车也可以,现在人类想让汽车也可以。这是个非常难的命题,因为要克服空气摩擦力和人类肉体极限是件困难的事情。12年
Popular Science [2009.10] Riding thousands of miles is no longer a myth. Planes can, trains can be, and now humans want cars too. This is a very difficult proposition because it is difficult to overcome air friction and human physical limits. 12 years