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	perchance percipient percolate perdition peregrinations peremptory perennial perfect perfection perfectionist perfectly perfidious perfidy perforate perforce perform performance performer perfume perfumed perfunctory perhaps peril perilous perimeter

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