The sun __shines_ and the water becomes __vapout__.
The __water___ becomes __vapout___.
The __vapout___ becomes __clouds___.
The ___clouds__ becomes __rain___.
The __rain___ becomes ___water (in the river)__.
循环以上.
The sun __shines_ and the water becomes __vapout__.
The __water___ becomes __vapout___.
The __vapout___ becomes __clouds___.
The ___clouds__ becomes __rain___.
The __rain___ becomes ___water (in the river)__.
循环以上.