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	research resemblance resemble resent resentful resentment reservation reserve reserved reservoir reshuffle reside residence resident residential residual residue resign resignation resigned resilient resist resistance resistant resolute

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