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随便看	with withdraw withdrawal withdrawn wither withering withhold within without withstand witless witness witticism witty wizard wizardry wizened wobble wobbly woe woebegone woeful wolf wolfish woman

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