echobe

原帖由 SpitFire 於 2006-7-31 13:54 發表
" U! }) }1 c* r/ I) h! `公仔箱論壇Why is it so blue?? I though water has no colour.......

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6 u! \5 ]8 U2 \6 P- R% v( s4 u, K5.39.217.76if the color is no color, why the ocean is blue or green ?????( i8 N$ V7 H* T
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the blue color should be because of the reflection of light~~