Broadleaves are much easier to eat and digest.

叶树的树叶更容易食用和消化。

Where the temperatures are warmer, broadleaf forests dominate.

在气温较高的地方，叶林占主导地位。

Summers here are long enough for broadleaf trees to replace conifers.

由于有足够长的 叶林得以取代针叶林。

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

我们校园里常见的叶树于这一类，但我们的松树不于这一类。

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的几棵叶树。

And so this example of more rapid accumulation of carbon in deciduous broadleaf stands is a way of thinking of putting the brakes on the runaway train.

所以落叶叶林碳积累更快是一种给失控的列车踩刹车的方式。

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.

像橡树和这种山毛榉树这样的本地叶树，在马尔岛上足够湿润，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.

- 第三类是针叶林， 主要分布在气温温和的地区，如典型的叶林， 但会出现干旱。

The native and unique Gingko, which is neither confiner nor broadleaf, but in a whole ancient class of its own, is planted extensively in cities.

银杏是本土独特的树种， 既不是叶树， 也不是针叶树， 而是自成一个古老的树种，在城市中被广泛种植。

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.

西方和东亚文化的传统四起源于这些地区占主导地位的叶温带森林的行为。

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，森林是叶常绿的亚热带森林，并与热带雨林融为一体，而在北部，则有落叶和针叶树的混。

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.

- 第二种类型是叶混交林和针叶林，位于刚才描述的叶类型的北部边缘，是温带森林和北方针叶林的边界。

In Asia, most of Eastern China was once covered in mostly broadleaf forest, but millennia of high populations in this region has resulted in all of the land given over to agriculture or urban development.

在亚洲，中国东部的大部分地区曾经被叶林覆盖，但是数千年来该地区人口密，导致所有土地都被用于农业或城市发展。