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	hunter hurdle hurl hurricane hurried hurriedly hurry hurt hurtful hurtle husband husbandry hush hush-hush husk husky hussy hustle hut hybrid hygiene hygienic hymn hype informal hyper

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