| 单词 | 失效 |
| 释义 | 〔extinct〕an extinct title.一个失效的头衔〔gut〕To reduce or destroy the effectiveness of:使减少或失效：〔break〕To fail to function; cease to be useful, effective, or operable:失效；没用了：〔derepress〕To induce the operation of (a gene) by deactivating the repressor.解除抑制，激活：通过使抑制物失效而激活（基因等的）活动〔falter〕To operate or perform unsteadily or with a loss of effectiveness:失效：由于失去效力而运行不稳固：〔busted〕Out of order; inoperable:失灵的；不起作用的，失效的：〔lapse〕She allowed her membership to lapse after the first year.她听任她的会员资格在第一年后失效〔lapse〕To be no longer valid or active; expire:失效：失效的或不再有效的；满期的：〔flaw〕A defect in a legal document that can render it invalid.破绽，失效：可能导致其无效的法律文件的漏洞〔lapsed〕No longer active or practicing:失效：不再有效或实行的： |
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