他停下来,试着使眼睛适应昏暗的星光。
He stopped to try to adjust his vision to the faint starlight.
昏暗的光线使眼睛很难受。
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.
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