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VOA慢速英语:世界首个核聚变反应堆完成一半
2018-01-01来源:和谐英语
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fission – n. a process in which the nucleus of a heavy atom is split apart
plasma – n. a substance that is similar to a gas but that can carry electricity
electromagnet – n. a piece of metal that becomes magnetic when an electric current is passed through or near it
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