单词	white-hat hacker
释义	white-hat hackerˌwhite-hat ˈhacker noun [countable] someone who gets into other people’s computer systems and then tells the people responsible for the system how they did it, so that the system can be made more secure → black-hat hacker
随便看	Ballet Rambert ball game ball girl ballgown ballistic ballistic missile ballistics Ball, Lucille balloon ballooning balloonist ballot ballot box ballot paper ballot rigging ball park ballplayer ballpoint ballroom ballroom dancing balls balls-up ballsy bally ballyhoo

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