What is the sky This question is very difficult to answer ,isn't _英语解答

What is the sky This question is very difficult to answer ,isn't it?The sky is space where there

人气：347 ℃　时间：2019-08-20 15:49:14

解答

天空是什么?这个问题很难回答,是不是?天空是一个空间,在那里.
（你没有讲完,我也只能翻译到这里了.）