lt's round and it's bright. In the day , it hangs in the sky and gives out light .But nobody can see it at night. what is it ?___________
热心网友
SUN
热心网友
sun
热心网友
sun
热心网友
sun
lt's round and it's bright. In the day , it hangs in the sky and gives out light .But nobody can see it at night. what is it ?___________
SUN
sun
sun
sun