重氢

例句：

1. 1. He was able to solve the problem by using heavy hydrogen.
   他通过使用重氢解决了这个问题。
2. 2. The discovery of heavy hydrogen could have a significant impact on energy production.
   重氢的发现可能会对能源生产产生重大影响。
3. 3. The study of heavy hydrogen is crucial for understanding the properties of matter.
   研究重氢对于理解物质的性质至关重要。