那就是桦树皮的好处之一。
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.
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.
树脂从树皮的裂口自然地流出来。
树皮的汞含量与韧皮部相近。
他们一般不树皮的。
雄性和雌性非洲象的象牙是用于掘食、掘水以及剥取树皮的。
Both male and female African elephants have tusks they use to dig for food and water and strip bark from trees.
要么认真挑选龙骨，凡是有虫眼或树皮的，一律不用。
Or chooses keel seriously, always have bug eye or bark, uniform need not.
七叶树七叶树的果实、叶子和树皮的药效能减缓静脉曲张。
Horse chestnut the medicinal qualities of their conkers, leaves and bark soothe varicose veins.
事实上，黄杉树皮的含糖量同棕熊主要使用的野生浆果相差无几。
In fact, the cedar bark can contain as much sugar as the wild berries that are a staple of the bears' diet.
最初来源于柳树树皮的这种成分竟然能够发光发热，实在是叫人难以置信。
It is difficult to believe that a substance originally found in the bark of the humble willow tree could cause so much heat.
它来自早在公元前五世纪就被用于民间配方的柳树皮，是这种树皮的一种有效成分。
The active component, willow bark, was used as a folk remedy as long ago as the 5th century BC.
它来自早在公元前五世纪就被用于民间配方的柳树皮，是这种树皮的一种有效成分。
The active component, salicylic acid, originally from willow bark, was used as a folk remedy as long ago as the 5th century BC.
我看到整齐的绿色田野，长着白树皮的桉树，一棵棵独生的橡树，在眼前缓慢的移动。
I watch the green lines of crops, the white-skinned eucalyptus trees, the solitary oaks move past in slow motion.
硫化是橡胶加工过程中的改进做法，它能把取自橡胶树皮的白色浆液变成工业时代不可或缺的产品。
Vulcanization, a refined version of this process, transformed the white SAP from the bark of the Hevea tree into an essential product for the industrial age.
树叶、树皮和树液也是当地草药疗法的常用药材。
The leaves, bark and sap are also common ingredients of local herbal remedies.
印第安人会割下树皮，折成他们需要的任何形状，然后用绳子固定住，直到它变干。
The Native Americans would cut the bark and fold it into any shape they needed, then secure it with cords until it dried.
健康的树木也能更好地抵御树皮甲虫。
树皮最重要的用途是用作独木舟。
我疼得直往后缩，后背或胳膊被粗糙的树皮刮伤。
Recoiling in pain, I'd scrape my back or arms on the scaly tree bark.
他迅速抓起斧头，要把树皮削掉，并且修饰木头的形状。
He grasped the hatchet quickly to peel off the bark and shape the wood.
树皮被铺在由树枝制成的框架上，然后将它们缝合在一起，最后用树脂密封。
The bark was stretched over frames made from tree branches, stitched together and sealed with resin.
所以冬天的树皮被用来制作更大的用具和容器。
So the winter bark was used for larger utensils and containers.
现在除了树皮，印第安人还使用桦树的木材。
Now besides the bark, Native Americans also used the wood of the birch tree.
他想到了一个愉快的解决办法，面露喜色。他赶紧把树皮放进口袋。
His face lighted with a happy solution of his thought; he put the bark hastily in his pocket.
树皮在用树枝做好的框架中被拉长、延展，然后缝合在一起并用树脂密封好，就是那些从树中流出的黏黏的液体。当它干了以后就不漏水了。
The bark was stretched over frames made from tree branches, stitched together and sealed with resin—you know that the sticky liquid that comes out of the tree—and when it dries, it's watertight.
“我们还建了沼泽桥，”马西埃 (Macie)说，“你需要将一些支撑的原木放在下面，去掉上面的树皮，因为它们腐烂的很快。”
"We also built bog bridges, " Macie says. "You need to take the supportive logs underneath and remove their bark because the bark can rot quickly."
他们会从树上剥下大片的树皮，做成轻便而结实的独木舟。
They would peel large sheets of bark from the tree to form lightweight yet sturdy canoes.
这些桦树皮独木舟的优点之一是它们可以装载大量货物。
One great thing about these birch bark canoes was that they could carry a large amount of cargo.
这些桦树皮独木舟的优点之一是它们可以装载大量货物。
One great thing about these birch bark canoes was that they could carry a large amount of cargo.
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