M014 在月球上
2
NATIONAL
GEOGRAPHICTM
On Earth, we can see the
in the sky.
3
4
NATIONAL
GEOGRAPHICnt
Astronauts have gone to the •
,,
·~ --,~!.·;
-
They saw what the • IS like.
5
2
NATIONAL
GEOGRAPHICTM
On Earth, we can see the
in the sky.
3
4
NATIONAL
GEOGRAPHICnt
Astronauts have gone to the •
,,
·~ --,~!.·;
-
They saw what the • IS like.
5