在这个被称替桃树州的处所，山核桃种植者在打算种植多少千棵新树。

In a place referred to as the Peach State, it's the pecan farmers who are planting thousands of new trees.

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虽然我们不知道这其中有多少是真实的，但可以肯定的是，丝绸栽培在中国已经存在了几千年。

While it is unknown just how much of this is true, it is certainly known that silk cultivation has existed in China for several millennia.

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例如，没人确切地知道一个人究竟能记住多少张不同的面孔，但是各类评估倾向于几千张上下——依据一个人可能相识的人数来判断。

No one really knows how many different faces someone can recall, for example, but various estimates tend to hover in the thousands—based on the number of acquaintances a person might have.

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So we know what that number would be, it would be negative 424 kilojoules per mole that we see here.

我们知道它的值是多少，它就是我们在这见到过的负，424，千焦每摩尔。

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