英语词汇“keystone”的意思、释义、用法及双语翻译-时代网

词汇	keystone
释义	noun Changes to the welfare system are the keystone of the government’s reforms.
随便看	breathtaking breathtakingly breath-test breath test breathtest breath tests breathy brecht,-bertolt Brecht, Bertolt brecht,bertolt brechtian brecon beacons brecon-beacons breconbeacons Brecon Beacons, the bred bred breech breech-birth breech birth breechbirth breech delivery breech-delivery breechdelivery breeches 夫妻店夫妻无隔夜之仇夫妻本是同林鸟夫妻船夫婿夫子夫子庙夫子自道夫家夫差夫役夫权夫荣妻贵夫贵妻荣夬夭夭亡夭寿夭折夭斜夭桃夭死夭殇夭矫夭袅

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