Read Edit View history 重氢 zhòngqīng deuterium Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 重氢/重氫 · zhòngqīng · deuterium 2026/03/04 重氢 / 重氫 zhòngqīng deuterium heavy hydrogen, a stable isotope of hydrogen containing one proton and one neutron in its nucleus 重氢在核聚变实验中是不可或缺的燃料。 created sense Mar 4, 2026, 02:25 AM