sound barrier

基本解释

English language has no simple sound-symbol correspondence system, which poses a major barrier in the vocabulary acquisition.
英語拼寫與發音標識之間不存在一一對應關系，搆成了英語詞滙習得的一個主要障礙。
Starting with the invention of the bicycle, going on to sports cars, cars with jet engines, rocket-powered cars, attempts to break the sound barrier, and rocket-engine airplanes.
從發明自行車開始，一直到賽車，噴氣發動機汽車，火箭動力汽車，嘗試突破聲障和火箭動力飛機。
The sound-barrier sufficiently uses the concave space of both sides of the railway which is used for communication cable, and designs based on distributed noise result of urban rail transit.
該聲屏障充分利用了軌道牀兩側架設通訊電纜的凹型空腔，竝依據列車噪聲分佈進行了針對性設計。

In October, Felix Baumgartner broke the sound barrier in a 24-mile space jump, breaking the world record for the highest altitude skydive.
FORBES: The Most Unforgettable Ad Campaigns Of 2012
It's also the place where Andy Green, a British fighter pilot, broke the land speed record in 1997 by driving a jet-powered car through the sound barrier to 763 mph.
FORBES: "Let's Punch A Hole In the Sky"
The limited space available inside a TV cabinet has been a barrier to good on-board TV sound for years.
ENGADGET: blogger-avatar

If an aircraft breaks the sound barrier, it reaches a speed that is faster than the speed of sound.