extrinsicadj.非固有的；非本质的；外在的extrinsic materia非本征材料extrinsic rewards外在的酬赏extrinsic allergen外原性变应原extrinsic property非本征特性extrinsic feedback外部反馈extrinsic stenosis外源性狭窄extrinsic behavior外部行为extrinsic material非本征材料extrinsic interest外在兴趣extrinsic detector非本征激发的探测器