sonic barrier

英 [ˈsɒnɪk ˈbæriə(r)]

美 [ˈsɑːnɪk ˈbæriər]

音障；声垒

英英释义

noun

• the increase in aerodynamic drag as an airplane approaches the speed of sound
  Synonym:sound barrier

双语例句

• U.S.Navy photographer with lightning-fast reflexes captured this image of a fighter plane blasting through a "sonic boom cloud" as the jet broke the sound barrier.
  一位美国海军摄影师敏捷地捕捉到了战斗机在突破音障时，产生“音爆云”的图片。