英语必修四第四单元单词

1. Atmosphere - 大气层，常用于讨论地球上的气候和环境，例如：The burning of fossil fuels is contributing to the depletion of the earth's atmosphere.

2. Deplete - 消耗，用尽，常用于描述资源和能源的逐渐减少，例如：We are depleting the world's oil reserves at an alarming rate.

3. Erosion - 侵蚀，常用于讨论自然环境的变化和对土地的，例如：The erosion caused by the river has damaged the nearby farmland.

4. Fossil fuel - 化石燃料，如煤炭、石油和天然气，常用于讨论能源和环境问题，例如：The burning of fossil fuels is one of the main contributors to climate change.

5. Hydroelectric - 水力发电的，常用于描述利用水力能源来生产电力的行业和技术，例如：The country has invested heavily in hydroelectric power to reduce its dependence on fossil fuels.

6. Infrastructure - 基础设施，包括道路、桥梁、水利设施等，常用于描述社会经济发展和城市建设，例如：The government has allocated funds to improve the country's infrastructure.

7. Photosynthesis - 光合作用，植物通过光合作用将光能转化为化学能，常用于讨论生态和植物学问题，例如：Photosynthesis is a vital process for the survival of plants and the oxygen produced is essential for life on earth.

8. Renewable - 可再生的，如太阳能、风能、水能等，常用于描述清洁能源和可持续发展，例如：The use of renewable energy sources has become increasingly important in the fight against climate change.

9. Turbine - 涡轮，常用于描述发电设备和机械设备，例如：The turbine is a crucial component of a wind power generator.

词组搭配：

1. Renewable energy - 可再生能源，指清洁能源和可持续发展的能源。

2. Erosion control - 护坡，指防止土地侵蚀和防止土石流等自然灾害的措施和设施。

3. Fossil fuel industry - 化石燃料产业，指相关的采掘、加工、销售等行业和企业。

4. Hydroelectric power station - 水力发电站，指利用水力能源来生产电力的设施。

5. Photosynthesis process - 光合作用过程，指植物通过光合作用将光能转化为化学能的生理过程。