柯林斯词典afterheat /ˈɑːftəˌhiːt/ 1. N the heat generated in a nuclear reactor after it has been shut down, produced by residual radioactivity in the fuel elements 餘熱; 核反應堆被關閉後由核燃料元件的殘餘放射性所産生的熱量 返回 afterheat