单词 | the sound barrier |
释义 | the ˈsound barriernoun [sing] the point at which an aircraft's speed is the same as the speed of sound 声障,音障(飞机速度与声速相等之点): ◇to break the sound barrier(= to travel faster than the speed of sound) 突破音障(即飞行速度超过音速) |
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