sonic barrier
常见例句
- Breaking the sound barrier generates a sonic boom, so supersonic travel is heavily restricted over land.
打破音障時會産生音爆，所以超音速飛行在陸地上空有諸多限制。 - 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.
一位美國海軍攝影師敏捷地捕捉到了戰鬭機在突破音障時，産生“音爆雲”的圖片。
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