We were up north of the timberline.

我们情况大好。

The west wolf, the wolf for years, the wolf whisperer, whose timberline is it anyway?

西部狼，成年狼，狼语者，什么林木线？

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

桦树是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。

The train climbs 8.9 miles through Colorado blue spruce, and above the timberline where wild elk roam free.

火车爬升 8. 9 英里，穿过科罗拉多蓝云杉，并在野生麋鹿自由漫步的林线上方。

There is still no universally agreed-on explanation for why there should be such a dramatic cessation of tree growth at the upper timberline.

目前还没有一个普遍认同的解释来说明为什么会在树带界线上出现树木停止生长这种戏剧化的现象。

The Dwarf Pine, or White-Bark Pine (Pinus albicaulis), forms the extreme edge of the timberline throughout nearly the whole extent of the Range on both flanks.

矮松或白皮松（Pinus albicaulis）构成了林线的最边缘，几乎遍及山脉两侧的整个范围。