rhenium heptasulfide

例句：

1. 1.This material is used in the production of high-performance alloys.
   这种材料用于生产高性能合金。
2. 2. The research team discovered a new method to extract rhenium from its ores.
   研究小组发现了一种新的从矿石中提取铼的方法。
3. 3. Due to its unique properties, rhenium heptasulfide is highly sought after in the industry.
   由于其独特的性质，铼七硫化物在行业中非常受欢迎。