环球慢速英语 第405期:保护农作物多样性(2)

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voice 1: The air we breathe. The water we drink. The foods we eat. These are the most important resources for human life. They are things we need to protect.
声音1：我们呼吸空气，喝水，食用食物。这些是人类生活中最重要的资源。也是我们需要保护的资源。

voice 2: We can keep the air clean in many different ways. For example, we can burn less coal and oil. They pollute the air.
声音2：我们可以用许多种不同的方法来保持空气清洁。比如，我们可以减少煤炭和石油的燃烧。因为煤炭和石油会污染空气。