The essence of being a scientist is you don't say 'I've got all the answers, that's it, end of story…' I keep changing my mind about things.

作为一个科学家的本质是你不会说‘我已经有所有的答案，这就是了，故事的尾声。’我不停对事情改变我的主意。

youdao

So, keep that in mind when we're talking about atomic radius, I'm not suddenly changing my story and saying, yes, we do have a distinct radius.

因此，当我们讨论原子半径的时候要时刻记住这一点，我并不是在突然改变自己的说法，说是的，我们的确有一个准确的半径。

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