| 词汇 | 失效 |
| 释义 | 失效 shi xiao ㄕ ㄒㄧㄠˋ 1.to lose efficacy; to cease to be effective; to break down 2.(of a treaty, an agreement, etc.) to be no longer in force; to become invalid; to be out of date; to run out 3.dead; extinct; inactive 4.[Law] to prescribe 5.annulment; extinguishment |
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