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	MENSA mensch menses men's room menstrual menstrual period menstruate menstruation menswear -ment mental -mental mental age mental arithmetic mental hospital mentality mentally mentally handicapped mentally ill mentee menthol mentholated mention mentor mentoring

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