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	produce producer product production productive productivity profane profanity profess professed profession professional professor proffer proficiency proficient profile profit profitable profiteer profligate profound profoundly profuse profusion

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