那就是桦树皮的好处之一。

That's one of the great things about birch bark.

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这种树皮的防水性能，使得它可以用来制作烹饪容器和各种各样的器皿。

This waterproof quality of the bark made it useful for making things like cooking containers, a variety of utensils.

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如果你在冬天剥桦树皮，我们称它为“冬树皮”，另外一层更加坚硬的紧贴树皮的树层就可以生产出更强更硬的材料。

If you peel birch bark in the winter, we call it "the winter bark", another layer, a tougher inner layer of the tree adheres to the bark, producing a stronger material.

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