Graphite is a great moderator, slowing down the neutrons and keeping their reaction in the proper temperature range.

石墨是很好的减速剂，减慢中子并且让它们的反应保持在一个适当的温度范围内。

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"What is striking is he is such a great moderator-slash-provocateur of the emotion that lives within the fan base, " said Justin Connolly, the senior vice president for programming who will oversee the SEC Network for ESPN.

WSJ: Paul Finebaum Ends His Silence, to Join ESPN