单词	Porton Down
释义	Porton DownPor‧ton Down /ˌpɔːtn ˈdaʊn $ ˌpɔːr-/ a place in the south of England where there is a government laboratory used for studying chemical weapons and biological weapons (=weapons that use bacteria to kill people by giving them diseases)
随便看	duffel bag duffel coat duffer Dufy, Raoul dug dugout duh DUI du jour duke Duke, David dukedom Duke, Doris Duke of Cambridge Duke of Edinburgh Duke of Edinburgh's Award Duke of Wellington Duke of Windsor Duke of York dulcet dulcimer dull dullard Dulles Dulles, John Foster

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