The mighty galaxy whose countless stars would later make life possible on Earth didn't waste any time being born.
自诞生以来，这个无垠的星系——它的无数颗恒星后来为地球创造了生命——没有浪费任何时间。
Our environment is filled with many forms of radiant energy which make life possible. Radiation from the sun provides us with heat, light, and food.
我们的环境充满使生活成为可能的多种形式的辐射能。太阳辐射提供光、热和食物。
Our environment is filled with many forms of radiant energy which make life possible. Radiation from the sun provides us with heat, light, and food.
我们的环境充满使生活成为可能的多种形式的辐射能。太阳辐射提供光、热和食物。
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