perpetual motion造句
31. And you were founded by 2 brain surgeon rocket scientist Stanford PhD grads who invented a perpetual motion machine, blah blah blah.
32. Making energy like the sun does might too cheap to meter or as uneconomical as a perpetual motion machine.
33. As long as they do the micro to the macro-energy sustainable energy conversion, you can create a perpetual motion machine.
34. Indeed, on the atomic scale, perpetual motion is a reality.
35. On this point, the absurd " perpetual motion machine" project has been launched in Nanjie.
36. Again the sirens, the screech of wheels, the white coats perpetual motion.
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