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1·Whereas the region's native evergreen pines shade the snow and absorb radiation, birches would shed their leaves in winter, thus enabling radiation to be reflected by the snow.

然而那个地区当地的常绿松树可以为雪遮阴，吸收辐射，而白桦树在冬天则会落叶，从而使辐射被雪反射。

2·Higher up were forests of white birches.

再往高处去就是一片片白桦林。

3·Higher up were forests of white birches.

再往高处去就是白桦林。

4·When I see birches bend to left and right.

当我看到白桦树弯下身子，向左，也向右。

5·The crag of birches running the sky's gray.

一排桦树在灰色天空下闪过。

6·The trees were silver birches, four of them.

树是银色树皮的桦树，一共四棵。

7·Birches and oaks feathered the narrow ravines.

桦树和橡树密生于狭谷中。

8·One could do worse than be a swinger of birches.

人能做的事，比荡白桦树好不到哪去。

9·The Nordic birches have long been of special interest.

北欧的桦树很久以来就特别引人注目。

10·Under the hoarfrost the slightest twig of birches is white.

在霜下桦树的最轻微的枝是白色的。

桦树

1·Think, in Birches, of really the extraordinary play of language, the freedom of association, all of which is being played off of the strict demands of the meter, at every moment.

想想，“桦树“，是无与伦比的对语言的把玩，自由的结合，所有这些都在格律诗严格的要求下自由地被使用着，每时每刻。

2·Let's illustrate these general points by just reading together and trying to hear the beginning of Robert Frost's poem Birches, on page 211 in The Norton.

让我们解释这个笼统的观点通过一起读诗,尝试去听罗伯特·弗罗斯特的诗“桦树“,在211页，诺顿。

3·It was early May. In some of the gardens the fruit trees were encircled with dense clusters of daffodils. The birches were already in pale green leaf.

此时正是五月初，有些花园里的果树上密密地缠绕着束束水仙，桦树的树叶已呈暗绿。

4·The trees were silver birches, four of them.

树是银色树皮的桦树，一共四棵。

5·The crag of birches running the sky's gray.

一排桦树在灰色天空下闪过。

桦木

1·Virginia's Shenandoah Valley is ablaze with fall colors-the yellow and orange of poplars, birches, striped maples, and hickories, punctuated with the red of sugar and red maples.

弗吉尼亚州的谢南多厄河谷(Shenandoah Valley)闪耀着秋天的色彩——白杨、桦木、条纹槭和山核桃的黄色和橙色，点缀着蜜糖似和红枫的红色。

(1)white birch白桦；白桦树

(1)silver birch[植]欧洲桦；纸皮桦；黄桦

(1)birch forest桦林；桦手