Hey, I read that someone invented a way to convert your footsteps into electromagnetic energy so you can charge your cell phone while walking.

  • 嘿,我看到有人发明了一种办法,可以将走路的能量转化成电磁能。这样就一边走一边能给手机充电了。

  • 互联网摘选 2026-07-13 00:55:41

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