Broadleaves are much easier to eat and digest.

树树更容易食用和消化。

Broader-leaf plants that could tolerate seasonal weather changes covered the land.

能够忍受季节性变化植物覆盖了大地。

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

上行树带界，和雪一样，在热带最高，在极地最低。从极地地区海平面干燥亚热带地区海拔4 500米处以及潮湿热带地区海拔3 500米至4 500米处都有上行树带界。树带界内通常是常绿树，它们和处于上行树带界处极端恶劣环境中生长落树木相比，具有一定优势。然而，在部分地区也有由落林组成树带界。例如，在喜马拉雅部分地区，桦树就在树带界上。

Deciduous trees like birch and aspen live for about 100 years, so the team couldn't simply wait for one or two centuries to find out what happens in the forest.

像桦树和白杨这样树寿命约为100年，所以研究小组不能只是等上一两个世纪来发现森林里发生了什么。

Modern Pu'er tea refers to the product made by seasoning the sun-dried Yunnan broad leaf Qingmao tea, which belongs to the post-fermented dark tea category.

现代普洱茶是指将晒干云南青毛茶调味制成产品，属于后发酵黑茶类。

The added carbon accumulation, as the forest regime regenerates and shifts from coniferous to deciduous trees-that's like putting the parking brake on while driving the bus, says Johnstone.

约翰斯通表示，随着森林环境更新，针树转变树，增加碳积累就像在驾驶公共汽车时踩刹车一样。

Fortunately they prefer the succulent broad-leaved triticum and other woodland grasses to the silky species of the meadows, and therefore seldom bite them or set foot on them.

幸运是，它们更喜欢多汁小麦和其他林地草类， 而不是草地上丝质植物， 因此很少咬它们或踏上它们。

Well, I just sort of thought that the Forest of Dean would be ideal habitat, actually, you know, big area of woodland, good broadleaf habitat, some pine.

嗯，我只是觉得迪恩森林会是理想栖息地，实际上，你知道，那是一大片林地，拥有良好林环境， 还有一些松树。 因此，你会希望它们几乎会直奔那里。

Native broadleaf like oak and this beech tree, and it's plenty wet enough on the Isle of Mull that they're not likely to burn.

本地树如橡树和这棵欧洲山毛榉，穆尔岛上湿度足够大，它们不太可能燃烧。

The third type is mostly coniferous forest found in regions where temperatures are mild, like in the classic broadleaf, but where summer droughts occur.

- 第三类是针林， 主要分布在温温和地区，如典型林， 但夏季会出现干旱。

The ultimate winners are the tortoises, the slow and steady hardwoods.

最后胜利者是这些长得又稳又慢树。

The common broadleaf trees we have on campus fall into this category, but our pines don't.

我们校园里常见树属于这一类，但我们松树不属于这一类。

The second type is the mixed broadleaf and coniferous forest found on the northern fringes of the broadleaf type just described, and acts as a border between the temperate forest and the boreal taiga.

- 第二种类型是混交林和针林，位于刚才描述类型北部边缘，是温带森林和北方针林边界。

Each level of the forest forms its own little world, home to different kinds of living things.

在人类己知390，000种植物物种中，在亚马孙可以找40，000多种。这棵高大、古老巴西坚果树 结出坚果我们可以食用；这些睡莲（片）大可以躺在上面。雨林不同层次养活野生动物种类多 难以置信。最底层是地下根系。往上是阴暗森林地表厚实落层。再往上一层由低矮植物组 成。然后是高耸、古老树，最后是那些离地数米之高大树树冠。雨林每一层都自成一个小世 界，成为各种生物家园。

It's spring in the great broad leaved forests of Eastern Europe and Asiatic Russia.

这是跨越东欧-亚洲-俄罗斯 世界上最大落林春天。

To get started, let me describe a couple of the broadleaf trees we have in front of us.

首先，让我描述一下我们面前几棵树。

The traditional four seasons of Western and East Asian culture have their origin in the behaviour of the broadleaf temperate forests that dominate these areas.

西方和东亚文化传统四季起源于这些地区占主导地位温带森林行为。

In the south the forests are broadleaf evergreen subtropical, and blend into tropical monsoon forest, while in the north, there is a mix of deciduous and coniferous.

在南部，森林是常绿亚热带森林，并与热带季雨林融为一体，而在北部，则有落和针树混合。