We have learned that we cannot live without nature's elements... we need clean air to breathe, food to eat, energy from the sun, etc.
我们还认识到，离开了自然中的元素，我们也无法生存——我们需要呼吸洁净的空气，需要食物来吃，还需要从太阳获得能量。
We also need to clean up spills as soon as they occur, and store food in air-tight containers.
我们还需要尽快清理溢出的液体，并将食物储存在密封的容器中。
Few risks have a greater impact on global health today than air pollution. The evidence signals the need for concerted action to clean up the air we all breathe.
没有什么会比空气污染给全球健康带来更大的危害。这些证据说明我们必须采取行动净化我们的空气。
New Zealand is a country that has beautiful surroundings, clean air and nice climate. People in this country are very friendly. Whenever we need help, they always come around and offer their help.
新西兰这个国家环境优美，干净，气候怡人。这里的人们很友好和善，当我们有困难时便主动上前询问是否需要帮助。
New Zealand is a country that has beautiful surroundings, clean air and nice climate. People in this country are very friendly. Whenever we need help, they always come around and offer their help.
新西兰这个国家环境优美，干净，气候怡人。这里的人们很友好和善，当我们有困难时便主动上前询问是否需要帮助。
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