translation.en: And the problem with a traditional nuclear power plant like this is, you've got these rods that are clad in zirconium, and inside them are uranium dioxide fuel pellets.
translation.zh: 像这样一个传统的核电厂有一个问题， 就是这些燃料棒是被锆合金包裹的， 燃料棒里面才是二氧化铀燃料小球。