the volume is approximately 1300 times that of the earth.5081 又是个 that of .
问题描述：
the volume is approximately 1300 times that of the earth.5081 又是个 that of .
答
The volume is approximately 1300 times that of the earth.= the volume is approximately 1300 times the volume of the earth.如果句子中有两个 the volume,读起来声音重复,因此第二个 the volume 就用代词 that...