核反应堆 Traditional 核反應堆 hé fǎn yìng duī 🔊 nuclear reactor + Keep this word Meanings hé fǎn yìng duī 核反應堆 nuclear reactor Its characters 核hépitHSK 7–9反fǎncontraryHSK 5应yīngto agree (to do sth)HSK 7–9堆duīto pile upHSK 5