At night you can see many stars.In the day you can see one star－the sun.Did
晚上,你可以看到许多星星.白天你只能看到一颗星星,那就是太阳.
you know that the sun is a star?It looks bigger than other stars because it is
你明白太阳也是一颗星星吗?因为它与其他的星星相比而言距离我们更近,
nearer to us.The sun is much bigger than the moon.The sun's light and heat
所以它看起来更大.太阳比月球大得多.太阳的光和热.
make our plants and food grow.We can not live without the sun.
帮助种植物生长.没有太阳,我们无法生存.