Unit 1 要词+好语+精句讲义-2022-2023学年高中英语牛津译林版（2020）必修第三册

必修3 Unit1 Nature in the balance Reading :The Amazon rainforest a natural treasure Welcome to the jungle,a huge sea of green alive with the sounds of animals.This is the Amazon rainforest.As the largest rainforest in the world, it plays a significant role in maintaining the fine balance of the Earths ecosystem. 1. a huge sea of green绿色海洋 2. the fine balance of the Earths ecosystem.地球生态微妙的平衡 The Amazon rainforest crosses into eight countries,including Brazil and Peru,and one overseas region of France,all on the South American continent. With an area of around 6 million square kilometres,the Amazon rainforest is more than half the size of China.The Amazon River, from which the rainforest gets its name, is close to 6400 kilometres in length—roughly 100 kilometres longer than the Yangtze River. On its journey from the mountains to the ocean, the river supports many different ecosystems.They give this area the richest biodiversity on the Earth : one in ten known species in the world can be found here. 3. The Amazon rainforest crosses into eight countries,including Brazil and Peru,and one overseas region of France,all on the South American continent.亚马孙雨林穿过包括巴西、秘鲁在内的八个国家，以及一块法国的海外领地，都位于南美洲大陆。 4. Roughly≈approximately≈around 5. the richest biodiversity最丰富的生物多样性 Of the 390000 plant species known to us，more than 40000 can be found in the Amazon. This tall and ancient brazil nut tree produces nuts that we can eat; these water lilies are big enough to lie down on.The forest’s different levels support an unbelievable variety of wildlife. At the bottom，there is a system of roots beneath the ground. Above that is the mass of leaf litter on the dark forest floor.The next level is made up of shorter plants with large leaves.Then there are the towering ancient hardwoods, and finally the tops of the tallest trees many metres above the ground. Each level of the forest forms its own little world, home to different kinds of living things. 6. At the bottom，there is a system of roots bene