太阳使地球温暖，从而使植物得以生长。
The sun warms the earth, which makes it possible for plants to grow.
地球早期大气中的火山二氧化碳使地球足够温暖，保证生命在太阳过于昏暗而无法提供足够热量的时候能够得以孕育。
Volcanic carbon dioxide in Earth's early atmosphere kept Earth warm enough for life to begin during the time when the Sun was too dim to provide much warmth.
过盛的二氧化碳使地球保持温暖。
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