桦树皮很柔韧，很容易弯曲。
那就是桦树皮的好处之一。
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.
这种桦树皮独木舟的效率也给新来的人留下了深刻的印象。
This efficiency of the birch bark canoe also made an impression on newcomers to the area.
如果他们用桦树皮做的碗做饭，难道不会让食物尝起来很奇怪吗？
If they cooked in bowls made of birch bark, wouldn't that make the food taste funny?
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.
我们发现桦树皮可以作纸用。
在芬兰，纯化论者坚持说只能加白桦树皮。
In Finland purists insist that only birch bark should be added.
桦树皮文化是人类原始文化的组成部分。
The birch bark culture is an component part of the primitive human culture.
目的探讨桦树皮的抗肿瘤作用和对荷瘤小鼠免疫功能的影响。
Objective to study the antitumor effects of the extraction of birch bark (EBB) and its influence to the immune function of the tumor-bearing mice.
这些鞋通常是用桦树皮制作，不过菩提树或者椴树树皮也能做。
These shoes were commonly made from Birch bark, but they could also be made from linden or lime-tree bark.
建立了一种测定白桦树皮中白桦脂醇对羟自由基清除率的新方法。
A new method of determining the antioxidant activity of betulin from betula bark is established.
在全球经济一体化的今天，鄂温克族的桦树皮文化正面临着危机和挑战。
In the present society of global economic unification, however, it is endangering and facing challenge.
方法：应用桦树皮提取物(ebb)口服观察其对小鼠不同肿瘤的抑制作用。
Method: EBB was administered orally and the tumor inhibiting effects were observed in tumor-bearing mice.
野生海狸通常会啃咬杨树皮、柳树皮、白桦树皮等，用啃下来的木头去修建他们的小窝。
Beavers in the wild usually eat the bark of poplar, willow, birch and maple trees, using the wood for their DAMS.
写下的手稿在中世纪被用来教学，写在白桦树皮和棕榈叶上，直到16世纪出现印刷机为止。
While written manuscripts were used for teaching in medieval times, they were written on birch bark or palm leaves, until the advent of the printing press from the 16th century.
用桦树皮精心编织的面包筐、黄油盒和用桦木削成的刮黄油刀， 给人一种返瑛归真的感觉；
The knife used for cutting butter is made of birch wood, and butter and bread baskets are made of birchs skin. All of these are natural.
我国北方游猎民族如鄂伦春族、鄂温克族、赫哲族等使用桦树皮的历史很长，至今不同程度保留有桦树皮文化特征。
Nomadic hunting nationalities in the north of China, such as Oroqen, Ewenki, Hezhen, all have a long history in using birch bark.
止咳、祛痰与平喘作用。小鼠腹腔注射白桦树皮的水、甲醇、乙醚及酸性乙醇的提取物以及乙醚析出物，都有一定的止咳作用。
Arresting cough, expectorant and anti-asthmatic effects. Intraperitoneal injection of water, methanol, ether and acid ethanol extracts of hua shu PI possesses anti-cough effect in mice.
他们对这些新来的人在农业耕作和森林环境知识方面加以指导，教他们认识玉蜀黍、豆子、西葫芦、槭糖、雪地鞋、长雪橇和桦树皮独木舟。
They instructed the new-comers in their agriculture and woodcraft, introduced them to maize, beans, squash, maple sugar, snowshoes, toboggans, and birch bark canoes.
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.
桦树有白色的树皮，树上这个坚硬的保护外层，这个白色的树皮，是防水的。
The birch tree has white bark, and this tough protective outer layer of the tree, this white bark, is waterproof.
这种鞋通常是用桦树树皮做的，但也会用菩提树或是椴树树皮做材料。
These shoes were commonly made from Birch bark, but they could also be made from linden or lime-tree bark.
印地安人从桦树剥下树皮做独木舟。
The Indians peeled the bark from birch trees to make canoes.
我感到树叶的对称美，用手摸着白桦树光滑的树皮或是松树那粗糙的厚厚的树皮。
I feel the delicate symmetry of a leaf. I pass my hands lovingly about the smooth skin of a silver birch, or the rough shaggy bark of a pine.
树是银色树皮的桦树，一共四棵。
美国西部的一种桦树，类似于纸皮桦，但是树皮棕色。
Birch of western United States resembling the paper birch but having brownish bark.
美国西部的一种桦树，类似于纸皮桦，但是树皮棕色。
Birch of western United States resembling the paper birch but having brownish bark.
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