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Space is a dangerous place, not only because of meteors (流星) but also because of rays from the su...

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the Apollo mission was very successful  protection from space radiation is no easy job  astronauts will have deformed children of grandchildren  radiation is not a threat to well protection space explorers  
in order  out of order  in place  out of breath  
hand    reach    space    order  
the; a    a; the    /; a    /; /  
safe, dangerous    safety, danger    safe, danger    dangerous, safe  
by  without  except  from  
by  without  except  from  
the; a    a; a    /; a    /; the  
dangerous    in stake    at stake    in charge  
area  place  country  space  
The Atmosphere and Our Environment  Research on Radiation  Effects of Space Radiation  Importance of Protection Against Radiation  
the Apollo mission was very successful  protection from space radiation is no easy job  astronauts will have deformed children of grandchildren  radiation is not a threat to well protection space explorers  
like  resemble  as  the same  

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