单词	multi-layered board
释义	multi-layered board 多层板材
随便看	externalization of intellectual activity externalization of internal audit externality externality cost externality of education externality of environmental cost externality of peddlers operation externalization of producer service industry externalization of service externalizations externalize externalized externalized as activities externalized form externalized language Externalized learning externalizer externalizers externalizes external labelling external labor force external labor market external labor services external labour market external laciniate ligament