单词	stair bearer
释义	stair bearer 楼梯段纵梁
随便看	objective evaluaton objective evidence objective evolution objective examination objective examination of eye objective examination of refraction objective exceeding factors objective excess-element objective exchange theory objective exchange value objective existance objective existence objective experience objective expression objective extraction objective fact objective factor objective factor of talented people objective factors objective facts objective facts and law facts objective fault Objective fault criterion of liability Objective Fault Principle objective fidelity