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moderator: heavy water /ˈmɒdəɹˌeɪtə/ n

中文：重水慢化剂

中文 · 重水慢化剂Español · moderador : agua pesadaFrançais · modérateur : eau lourde
Meaning：Heavy water: water consisting of heavy hydrogen (deuterium) and oxygen; it can slow down neutrons.
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Heavy water reactor

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