birch bark

1. She made little boats out of birch-bark, and freighted them with snail-shells, and sent out more ventures on the mighty deep than any merchant in New England; but the larger part of them foundered near the shore.
   她用桦树皮做了许多小船，在上面装好蜗牛壳，让它们飘向大海，其数量之多，胜过新英格兰任何一个商人的船队；可惜大部分都在离岸不远的地方沉没了。
2. 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.
   我感到树叶的对称美，用手抚摸着白桦树光滑的树皮或是松树那粗糙的厚厚的树皮。
3. At its factory in Burnham, Maine, hardwoods ( primarily white birch purchased from managed forests in the state) are stripped of their bark and cut into boards for drying.
   在其位于缅因州伯纳姆（Burnham）的工厂中，硬木（主要为购自该州可持续管理森林的白桦木）被剥除树皮，然后切割成木板等待干燥。
4. Birch of swamps and river bottoms throughout the eastern United States having reddish-brown bark.
   遍及美国东部的一种桦树，生长在沼泽和河谷，具红褐色树皮。
5. Alaskan birch with white to pale brown bark.
   阿拉斯加的一种桦树，白色至浅棕色树皮。
6. We found that birch bark could serve as paper.
   我们发现桦树皮可以作纸用。
7. 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 the16th century.
   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。
8. The growing birch tree exfoliated excess bark.
   这正成长的桦树剥落了过剩的树皮。
9. Study of extraction of birch bark ( EBB) on immune inhibition tumor effect in bearing tumor mice
   桦树皮提取物对荷瘤小鼠免疫抑瘤效应的研究
10. Discussing the Birch Bark Culture of Northeastern Minority Nationality
    论东北地区少数民族的桦树皮文化
11. Small American birch with peeling white bark often worked into e.g. baskets or toy canoes.
    一种美国小桦木，剥落的白色树皮常制作成篮子或玩具舟等工艺品。
12. 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。
13. European birch with silvery white peeling bark and markedly drooping branches.
    欧洲的一种桦树，有银白色脱落树皮和下垂的枝条。
14. No tracks but my own are stitched into the dusting of fresh snow, white as birch bark, that fell during the night.
    没有别的什么踪迹，只有我的脚印如细密的针脚印在积雪上。积雪白如桦树皮，是昨夜落下的。
15. European birch with dull white to pale brown bark and somewhat drooping hairy branches.
    欧洲的一种桦树，树皮白色至浅灰色，枝有柔毛，下垂。
16. Negotiation on Diplomatic Normalization of Japan& Soviet Union and Struggle of Political Parties in Japan; HPLC Determination of Catechin and Betulin in White Birch Bark
    日苏邦交正常化谈判与日本国内党派斗争高效液相色谱法测定白桦树皮中儿茶素和白桦酯醇的含量
17. HPLC Determination of Catechin and Betulin in White Birch Bark
    高效液相色谱法测定白桦树皮中儿茶素和白桦酯醇的含量
18. I pass my hands lovingly about the smooth skin of a sliver birch, or the rough shaggy bark of a pine.
    我爱抚着光滑的白桦树皮或粗糙的松树皮。
19. 0.2 g/ ml of larch leaf aqueous extracts had significant inhibition on radicle growth of white birch, but other concentrations of larch bark and leaf aqueous extracts and leaf volatiles had little inhibition effects on seed germination of white birch;
    0.2g／ml的兴安落叶松树叶水浸液对白桦种子胚根生长有显著抑制作用，而其余浓度的树叶水浸液和兴安落叶松树皮水浸液及树叶挥发物对白桦种子萌发的抑制作用均不显著；
20. Objective: To study the antitumor effect of extraction of birch bark and its influence and immune funtion on S 180 bearing mice in vivo.
    目的：研究桦树皮提取物（ExtractionofBirchBarkEBB）对S180荷瘤小鼠体内抑瘤效应及其对免疫功能的影响。
21. The birch bark culture ── treasure of primitive culture
    原始文化的瑰宝&桦树皮文化
22. The birch bark culture is an component part of the primitive human culture.
    桦树皮文化是人类原始文化的组成部分。
23. Experimental study of antitumor effects produced by the extraction of birch bark
    桦树皮提取物抗肿瘤作用实验研究
24. Study on the structure of birch bark
    桦木树皮结构的研究
25. This thesis analysis totally on the structure and features of the birch bark's culture which owned by the special group who are living in the great and small Xingan mountains.
    该文从文化人类学的视角，对生活在大小兴安岭的驯鹿鄂温克人这一特殊的族群所特有的桦树皮文化的结构及其特征进行了全面分析。
26. Nomadic hunting nationalities in the north of China, such as Oroqen, Ewenki, Hezhen, all have a long history in using birch bark.
    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。
27. 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.
    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。
28. Several countries have already has extensive research into the chemical composition of birch bark, Birch in the result indicates that it is rich in Betulin and part of betulinic acid.
    国外早已对白桦树皮化学组成进行了广泛的研究，结果显示它含有丰富的桦木醇和部分桦木酸等。

noun

1. a canoe made with the bark of a birch tree

   Synonym:    birchbark canoebirchbark