It might be the only acronym in the English language that, when expanded, still contains the original acronym.

它可能是英语中惟一一个在展开后仍然包含原始缩写词的缩写词。

youdao

When the company expanded its recalls to Japan, the public reacted with disbelief.

VOA: standard.2010.02.15

And so an experiment said the gas didn't increase its temperature when it expanded the vacuum.

这个实验告诉你,气体在向真空膨胀的过程,中温度没有升高。

麻省理工公开课 - 热力学与动力学课程节选

The problem is that air heats up when pressurised and cools down when expanded.

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There was a time, in the long, long ago, when expanded universe was a rare and largely ignored beast.

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Even when expanded, however, they will prove far less expensive than obsolete conventional assets such as multi-billion dollar aircraft carrier groups.

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