释义 |
maintain verb 2keep sth in good condition 使保持良好状态ADVERB | VERB + MAINTAIN | PHRASES ADVERBcarefully, properly, well 细心保养;保养得当;养护得好poorly 养护得差◆a poorly maintained central heating system养护不力的中央供暖系统VERB + MAINTAINbe difficult to 难以保养be easy to 容易保养PHRASESbe responsible for maintaining sth 负责保养⋯ |