Why is ketchup so hard to pour? - George Zaidan

TED-Ed科技节目带字幕
4.5分钟 2034次

瓶子中的番茄酱为什么总是很难倒出来呢？科学原理来解释。

  • 时长：4.5分钟
  • 来源：Sigi 2017-12-31

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