The raw material for CERN's antimatter factories is made by shooting protons, or naked hydrogen nuclei, into a iridium target, but "instead of speeding them up," Dr. Landua said, "we slow them down.
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into a iridium target
变成了一个铱靶
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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