英语词汇“keystone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	keystone
释义	keystonekeystone /ˈkistoʊn/ noun [countable usually singular] 1the large central stone in an arch that keeps the other stones in position2the most important part of an idea, belief, event, etc., often one that other parts depend on: keystone of Low interest rates are the keystone of the government’s economic policy.
随便看	nephron nepotism Neptune nerd nerdy Nerf Nero Neruda, Pablo nerve nerve cell nerve center nerve endings nerve gas nerve-racking nervous nervous breakdown nervously nervousness nervous system nervous tissue nervy -ness nest nest egg nesting

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