单词	retrovirus
释义	retrovirusret‧ro‧vi‧rus /ˈretrəʊˌvaɪərəs $ -troʊˌvaɪrəs/ noun [countable] technical a virus of a type that includes some cancer viruses and the AIDS virus, but that also has a quality that makes it useful for genetic engineering
随便看	wastage waste wastebasket wasted waste disposal wasteful wastefully wastefulness waste ground wasteland Waste Land, The waste paper wastepaper basket waste product waster wasting wastrel watch watchable watchband watchdog watcher watchful watchfully watchfulness

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