英语词汇“keystone”的读音、翻译、释义、用法及例句-高考报名网

词汇	keystone
释义	keystone n.（名词 noun）【建】(拱门的)拱心石,拱顶石要旨,基本原理 (把许多事物链接起来)起拱门顶石般作用的事物【棒球俚】第二垒
随便看	integer vitae integer vitae scelerisque purus integrable integral integral calculus integral domain integral equation integral tripack integrand integrant integrase integrate integrated integrated bar integrated circuit integrated circuitry integrated data processing integrated injection logic integrated optics integrated services digital network integrating factor integration integrationist integrative integrator

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