单词	sound barrier
释义	sound barrierˈsound ˌbarrier noun Examples EXAMPLES FROM THE CORPUS At the time of his death Campbell was unsuccessfully seeking backers for a jet-driven car to go through the sound barrier. Fast fighter jets -- many traveling within earshot of the sound barrier -- will headline the shows. I've even taken an F-15 jet to within a whisker of the sound barrier. In 1979, Stanley Barrett broke the sound barrier on land. Collocations COLLOCATIONS FROM THE ENTRY► break the sound barrier (=travel faster than the speed of sound) the sound barrier the sudden increase in air pressure against a vehicle, especially an aircraft, when it is travelling near the speed of soundbreak the sound barrier (=travel faster than the speed of sound)
随便看	Black Forest Gateau Black Friday black gold blackguard black-hat hacker blackhead Black Hills black hole Black Hole of Calcutta black humour black ice blackjack Black Lace blackleg blacklist black magic blackmail blackmailer Black Maria black market black marketeer Black Mass Black Monday Black Muslim blackness

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