树皮

Edward Stone's 1763 paper, An account of the success of the bark of the willow of the cure for agues'(2) is acknowledged to be the beginning of research into salicylic acid, the active material in the willow bark which was later modified and sold as Aspirin.

爱德华·斯通有关用柳树皮成功治疗疟疾的论文发表于1763年，该论文被公认是水杨酸药物研究的发端。柳树皮中的活性物质后来被人们提炼出来单独销售，这就是阿司匹林。

Ran enough, trouble enough, and we sat on the riverside willow smoothly off a smooth, from a broken hand energetically at a screw, and tree bark on the "bone" separation, and then a screw, two screw enough to With one foot long, and even the bones and skin with the cut-off was opened, and then bark out the "slippery" to remove the green skin of a film, so that a willow flute and you're done.

跑够了，闹够了，我们就坐在河边顺手折一枝光滑的柳枝，从折断处用手使劲一拧，树皮就和树&骨头&分离了，然后再一拧，两拧，足足有了长长一节，就连骨头和皮一起截开了，然后抽出树皮中的&滑头&，把皮的一头去掉绿膜，这样，一只柳笛就大功告成了。

Cork is harvest ed from the outer bark of cork oak trees, always by hand by workers using axes designed to slit the bark without harming the deeper layers of the tree.

软木来自于软木橡胶树的外层树皮，一直是由工人用斧头人工收割。斧头经过了特别设计，在削开树皮的同时又不损害橡胶树的更里层。

The forest's wide range of trees, including oak, beech, chestnut, pine, fir and spruce, make it particularly attractive to squirrels.

森林管理人员称，松鼠撕扯树皮的原因很多，但最主要的原因是处在繁殖季节的雄性松鼠希望引起雌性松鼠的注意而撕扯树皮。

Or the rough shaggy bark of a pine.

光滑的树皮或是松树那粗糙的厚厚的树皮。

Birch, or the rough shaggy bark of a pine.

光滑的树皮或是松树那粗糙的厚厚的树皮。

Or the rough shaggy bark of a pine. In spring I touch the branches of trees hopefully in search of a

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 pass my hands lovingly about the smooth skin of a silver birch, or the rough shaggy bark of a pine.

我感受到了树叶的对称美，我用手摸着光滑的白桦树树皮或是那粗糙的厚厚的松树树皮。

Birch, or the rough shaggy bark of a pine.

手摸着白桦树光滑的树皮或是松树那粗糙的厚厚的树皮。

The total content of alkanes and aromatics were up to 60.01% 57.86% for poplar leaves and birch leaves with H/C molar ratio 1.79 and 1.89, O/C molar ratio 0.035 and 0.036, and HHV 45.47 MJ·kg~（-1）and 46.03 MJ·kg~（-1）These data shows that the oil from leaves was very similar to petroleum.

树皮样品所得油中碳氢化合物成分总含量有所降低，油的热值也有所降低，大体在40MJ·kg~(-1)左右，但是在树皮所得油中出现了大量的酚类物质，百分含量在40%左右。

I'm strongly against the death penalty — it's an eye for an eye.

我不赞成死刑——这是以牙还牙的报复行为。

And to get you the support you need, we're enlisting all elements of our national power: our diplomacy and development, our economic might and our moral suasion, so that you and the rest of our military do not bear the burden of our security alone.

并给你们所须的支援，我们正徵召国家所有各种的力量：我们的外交及发展，我们的经济力量与道德劝说，所以你们与其他军人不须要孤独地负起国家安全的责任。