劍橋詞典an attempt to prevent the public from discovering information about a serious crime or mistake 掩蓋；掩飾；遮掩 Allegations of a cover-up of the effects of pollution have been strongly denied . 有關(guān)掩蓋工業(yè)汙染危害的指摘遭到了堅(jiān)決否認(rèn)。 返回 cover-up