yirendian10
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.service the 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.repair v.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.mend v.to repair sth. 修理(某物) 5.fix v.to repair sth.or make small change to it. 修理,做微小的修整
