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	afflict affliction affluent afford affront aficionado aflame afloat afoot aforesaid afraid afresh after aftereffect afterlife aftermath afterthought afterward, afterwards again against age aged agency agenda agent

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