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1. Superheavy particles have been foundin the universe, and their existenceis still a mystery.
在宇宙中发现了超重粒子，它们的存在仍然是一个谜。
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2.The superheavy particle was discoveredby a team of scientists who had beenworking on the project for years.
这个超重粒子是由一个研究小组发现的，他们已经在这个项目中工作了多年。
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3. The discovery ofsuperheavy particles has sparkedinterest in the possibility of extraterrestrial life.
超重粒子的发现引起了对外星生命的可能存在的关注。