So was I once myself a swinger of birches.

当年，我自己也“荡桦树”的能手。

The logs should from come hardwood trees like maple, oak, poplar or birch.

原木应该来自枫树、橡树、杨树或桦树等硬木树木。

The tiny, yellow birch leaves are rustling.

小小的黄桦树叶沙沙作响。

The native Wabanaki people arrived there in boats made from the wood of birch trees.

当地的瓦巴纳基乘坐白桦树木制成的船只抵达那里。

But don't think Wrigley's-this detritus is black, sticky tar distilled from birch bark.

但不要以为那箭牌口香糖——这种残从桦树皮中蒸馏出来的黑色粘性焦油。

Ancient gums were made from local plants like birch bark tar used for Finland's wad.

古代的口香糖由当地的植制成的，比如芬兰口香糖使的白桦树皮焦油。

The top of the building is the new home for 75 birch trees.

楼顶栽种了75棵白桦树。

Researchers used lasers to scan birch trees in both Finland and Austria.

研究激光扫描了芬兰和奥地利的桦树。

The larches and birches were covered with green, the laburnums with gold.

落叶松和白桦树披上了绿装，金链花金光灿灿。

I like to think some boy's been swinging them.

我总以为有个孩子把白桦树“荡”弯了。

Trees like paper birch white or silver poplar, acacia and eucalyptus light up the night.

白色的纸桦树或银色的白杨树、金合欢树和桉树等树木点亮了夜晚。

The plant DNA painted a picture of forests dominated by poplar and birch trees.

植DNA描绘了一幅以白杨树和白桦树为主的森林图景。

The road starts among the mixed pine and birch forests that border the River Alta.

这条路从阿尔塔河边的松树和白桦树混交林中开始。

At the upper timberline the trees begin to become twisted and deformed.

上行树带界线，和雪线一样，在热带最高，在极地最低。从极地地区的海平面到干燥的亚热带地区的海拔4 500米处以及潮湿的热带地区海拔3 500米至4 500米处都有上行树带界线。树带界线内通常常绿树，它们和处于上行树带界线处极端恶劣环境中生长的落叶树木相比，具有一定的优势。然而，在部分地区也有由落叶阔叶林组成的树带界线。例如，在喜马拉雅的部分地区，桦树就在树带界线上。

And so I dream of going back to be.

现在还梦想着再去荡一回桦树。

I put the last of my birch bark on the fire and fanned it into life.

我把剩下的桦树皮全部放进火堆里，然后扇火使它再次燃烧起来。

I quickly made a bed of boughs and started a fire with the bark of an old dead birch.

我很快树枝搭了个床，枯死的桦树的树皮生火。

Anyway, she lives alone in a birch forest in a hut that sits atop a pair of chicken legs.

总之，她独自住在一片白桦树林里，屋子坐落在一双鸡腿上。

But the most formidable challenger is the humble downy birch.

但最强大的挑战者不起眼的绒毛桦树。

Birch is one of the few species of tree that can survive in the extreme environments of the upper timberline.

桦树少有的能够在上行树带界线，这种极端天气情况下存活的树种。