ventifacts 

  1. 名詞
ventifact複數: 風稜石, 剝蝕

    
                        
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例句

                

                    
    
                                                    
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                                Note: Mars is a good place to find ventifacts .                            
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                                Open grooves in the ventifacts are called flutes.                            
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                                Ventifacts : The products of the abrasion of larger objects by sand.                            
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                                Ventifacts , like Jake Matijevic (rock), are an other aeolian landform on the Martian Surface.                            
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                                Sharp edges of ventifacts called "Kanters" are formed when two or more facets (planar surfaces) intersect.                            
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