英语词汇“keystone”的释义、区别辨析及用法例句-英语同义词词典

单词	keystone
例句	keystone noun •the keystone of the government's policy:foundation, basis, linchpin, cornerstone, base, principle, guiding principle, core, heart, center, crux, fundament.
随便看	diagonal diagram diagrammatic dialect dialectic dialogue diameter diametrical, diametric diaphanous diarrhea diary diatribe dicey dichotomy dicker dictate dictator dictatorial dictatorship diction dictionary dictum didactic diddly-squat die

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