火山红虎
1.maintain(n.maintenance)to keep sth. in good condition or look after it.保持某物在一个优良的状态:保养,维修2.servicethe regular examination and repair of a machine,for example a car or washing-machine(机器)定期维修,比如:汽车,洗衣机等3.repairv.to mend sth.修补,修理n.what is done to mend sth. or make it work修理以便使它继续运作4.mendv.to repair sth.修理(某物)5.fixv.to repair sth. or make small change to it.修理,做微小的修整
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