英语词汇keystone effect怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	keystone effect
释义	keystone — 标砖 effect n — 效 n • 效果 n • 影响 n • 作用 n • 效应 n • 成效 n • 效力 n effect sth. v — 产生 ... v
随便看	will prosecute will protect will protect the privacy will protrude will prove will prove acceptable will prove correct will prove difficult will prove helpful will prove invaluable will prove right will prove that will prove useful. will prove valuable will provide will provide a basis will provide advice will provide a guarantee will provide an indicator will provide an opportunity will provide a quotation will provide a quote will provide assistance will provide a summary will provide a window

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keystone —