在第一个例子里，我们看到的是sigma键。

So in this first case here, what we're seeing is a sigma bond.

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在第一个例子里，“非常好的机会”是什么意思？

In the first example, exactly what does an excellent chance mean?

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现在我们对它们进行求和，使用reduce，正如我们在第一个例子中所做的。

Now we total them up using reduce, just as we did in the first example.

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第一个例子设立了完整的视图区域，Exhibit在该区域内执行。

This first example sets up the overall view area where Exhibit will operate.

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第一个例子设立了完整的视图区域，Exhibit在该区域内执行。

This first example sets up the overall view area where Exhibit will operate.

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