It was a bittersweet end to nearly 28 years of commercial supersonic travel.

对于营运了将近28年的超音速商业航行来讲，这是一个苦乐参半的结局。

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Breaking the sound barrier generates a sonic boom, so supersonic travel is heavily restricted over land.

打破音障时会产生音爆，所以超音速飞行在陆地上空有诸多限制。

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Supersonic flight could become a routine form of travel in the 21st century.

搭乘超音速飞机飞行会成为21世纪常见的旅行方式。

《柯林斯英汉双解大词典》

Fasten your seat belts: the next trend in supersonic travel is likely to be up close and personal.

CNN: ASIANOW - TIME Asia | Travel Watch

But it can't fly forever, and the industry is already hungry for the next generation of supersonic travel.

CNN: ASIANOW - TIME Asia | Travel Watch

Although private supersonic travel is some way off, potential producers are enrouraged by the success of Executive Jet Inc.

CNN: ASIANOW - TIME Asia | Travel Watch