| 释义 | 
		cov·er·age \ˈkəv(ə)rij, -rēj\ noun (-s) Etymology: cover (I) + -age 1.  : the act or fact of including or treating : a thing that covers : cover: as  a.  : insurance : protection by insurance policy : inclusion within the scope of a protective or beneficial plan   < coverage against liability claims >   < coverage for librarians in the teachers' retirement system >  b.  : the amount (as of gold) available to meet liabilities   < a 40 percent gold coverage of outstanding bank notes >  c.  : treatment to publicize or make known   < the coverage of the subject in his botany text >   (1)  : news reporting and comment    < coverage of the state department involves certain technical problems >   (2)  : amount of news reporting    < the revolution was given scant coverage abroad >    < the dictator demanded better coverage for his domestic program >  d.  : provision of cover by aircraft  e.  : vegetation covering the ground : ground cover 2.  : whatever is covered : scope or extent of covering : aggregate of items covered: as  a.  : the area that may be covered with a gallon of paint, varnish, or other surface cover — distinguished from hiding power  b.  : extent of covering by plant sprays  c.  : the aggregate of risks covered by the terms of a contract of insurance   < a policy with extensive coverage >  d.    (1)  : the number of persons or the population area reached or served by a communication or a medium of communication : percentage of potential customers covered    < an advertisement with wide coverage >    < a radio station with more power and greater coverage >   (2)  : the circulation of a newspaper or periodical in a given area or throughout a class of people  e.  : the area of the subject that is or can be included clearly in a photographic image  f.  : percentage of ground area occupied by buildings |