北京版五年级下册英语Unit 4 Revision课文音频

Unit Four Review 翻译：第四单元 复习

Lesson 13 翻译：第十三课

Can you read and write? 翻译：你会读和写吗？

Trees are tall plants. 翻译：树木是高大的植物。

Trees can live for thousands of years. 翻译：树木可以存活上千年。

Some trees can grow taller than 100 metres. 翻译：有些树可以长到一百多米高。

Trees produce oxygen and reduce the amount of carbon dioxide in the air. 翻译：树木制造氧气，减少空气中的二氧化碳量。

The roots of a tree usually grow underground. 翻译：树根通常生长在地下。

They help keep the tree stable and give it water and important nutrients. 翻译：它们有助于保持树木的稳定并供给水和重要的养分。

Water and nutrients travel up the tree trunk, 翻译：水分和养分沿着树干向上输送，

through the branches and all the way out to the leaves. 翻译：通过树枝和所有的树梢输送给树叶。

We can tell the age of a tree by growth rings in the wood. 翻译：我们可以通过木材中的年轮知道树的年龄。

Planting trees can help protect the environment. 翻译：种植树木有助于保护环境。

We can use wood from trees in a number of different ways, 翻译：我们可以以许多不同的方式来使用木材，

for example, building a house and making furniture. 翻译：例如：盖房子或做家具。