So this is the idea of the octet rule that Lewis came up with way back in 1902.

这就是所谓的八隅体规则,是路易斯在，1902，年提出来的。

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That is the fundamental idea that may seem simple and obvious to you, but it certainly wasn't back when the idea first came up.

刚才讲的就是最基本的概念,可能看起来比较简单明显,但这些概念刚出现时并不被广泛理解

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