英语词汇“keystone”的读音、意思、造句、用法及中英文翻译-迷途网

词汇	keystone
释义	keystone noun /ˈkiːstəʊn/ /ˈkiːstəʊn/ (architecture建筑) the central stone at the top of an arch that keeps all the other stones in position拱顶石 Topics Buildingsc2 [usually singular] the most important part of a plan or argument that the other parts depend on（计划、论据的）主旨，基础 Changes to the welfare system are the keystone of the government’s reforms.福利制度的改革是政府改革的重点。 Topics Opinion and argumentc2
随便看	crateral cratered cratering craterless craterlike crater-like craterous craters craters' crates crate up crate-up crateup -cratic -cratical crating cravat cravats cravatted cravatting crave craved crave-for craven cravened

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