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

上行线，和雪线一样，在热最高，在极地最低。从极地地区海平面到干燥亚热地区海拔4 500米处以及潮湿热地区海拔3 500米至4 500米处都有上行线。线内通常是常绿，它们和处于上行线处极端恶劣环境中生长落叶相比，具有一定优势。然而，在分地区也有由落叶阔叶林组成线。例如，在喜马拉分地区，桦就在线上。

And they roost there in these giant evergreen trees until it's time for spring.

它们会在这些巨大常绿上栖息，直到春天来临。

The boughs of the evergreens slump beneath heavy drifts.

常绿枝条在厚厚积雪下低垂。

There, looming above these swaying evergreens, lies a jagged cordillera of snow-capped mountain peaks.

在那里， 高耸于摇曳常绿之上，横亘着一片参差不齐雪山山脉， 峰顶白雪皑皑。

It also has lots of evergreen trees so, not surprisingly, it is " The Evergreen State."

它还有许多常绿，因此不出所料， 它别称是“常绿州” 。

It is called an ever-green tree; for as long as one old brown leaf drops off, a fresh green one grows in its place.

冬青是一种" 常绿" ，因为只要冬青上一片叶子变成了棕色，落了下来，在原来地方，就会长出一片新绿叶！

So they are evergreen trees, they're green the year round, and they have these cones instead of a typical fruit and seed.

所以它们是常绿， 全年都是绿色，而且它们有球果而不是典型果实和种子。

On the other end of the spectrum are plants that don't shed their leaves — for example, the pines, spruces, cedars and firs that make up the conifers, or evergreens.

不会落叶植物包括松、云杉、雪松和冷杉等针叶或常绿。

This continent is dominated by a single family, Eucalyptus, which is evergreen, regardless of the substantial climatic variations found there, and leads to forests unlike any other in character.

这片大陆主要盛产桉科，无论那里气候变化如何，桉始终是常绿，并且形成了与其他森林不同特征。