crudeadj.天然的；未加工的；粗鲁的；粗糙的；简陋的n.原油；天然的物质crude drug天然药Crude land生地crude file未经整理分类的档案crude life原始生活crude matte半冶金属crude metal粗金属crude toxin粗毒素crude slate原油板岩crude drugs药材crude steel粗钢