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作者 : SMITH, Wilbur
分類 : English Language (EN)
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I think this sience book is so amazing because I as go to the trip.I can see the diamod,sulfur,mica......is come from rock.I have learn we need to use the Earth's resources wisely and be responsibity because these thing is so important for us.We must not waste the Earth's resources
The diamond hunters
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