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	photographic phrase phraseology physical physician physiognomy physique pick picket pickle pick-me-up pickpocket picnic pictorial picture picturesque piddling pie piebald piece piecemeal pied pier pierce piercing

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