tar r sand沥青沙
Tar Sand Oil沥青砂油;油砂油
tar sand reservoir焦油砂油藏
oil tar sand沙油
petrolwum tar sand含石油沥青的岩石或砂
N（名词） a sandstone in which hydrocarbons have been trapped; the lighter compounds evaporate, leaving a residue of asphalt in the rock pores 沥青砂