英语词汇“keystone”是什么意思，“keystone”的读音、用法及例句翻译-烛光网

词汇	keystone
释义	key·stone AHD[kēʹstōn'] D.J.[ˈkiːˌstəʊn]K.K.[ˈkiˌston]n.（名词） Architecture The central wedge-shaped stone of an arch that locks its parts together. Also called headstone 【建筑学】拱顶石，塞缝石：拱的中部楔形石头，使拱的各个部分连在一起也作 headstone The central supporting element of a whole.基础、主旨：整体的一个中心基本原则
随便看	stepped-up stepped–up stepper steppers steppes stepping stepping-off place steppingstone stepping–off place step rocket steps stepsib stepsibling stepsister stepson step stool stept step training step turn step-up stepwise step–down step–in step–up ster-

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