![outcrop造句怎么写]( "outcrop造句怎么写")
- Mr.Knechtwassearchingforfossilsnearaswampandfoundapromisingrockoutcrop.TheMainChromititeSeamandtheMerenskyReefdonotoutcropwell.Mostgeologyprofessorsconcernedwithstratigraphicresearchdirecttheirattentiontooutcropstratigraphyratherthantosubsurfacestrat...
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