hypergolic propellant rocket engine

例句：

1. 1. Thehypergolic propellant in the rocket engine is crucial for its performance.
   火箭发动机中的超燃推进剂对其性能至关重要。
2. 2. The development of hypergolic propellants has greatly advanced space exploration.
   超燃推进剂的发展极大地推动了太空探索的进步。
3. 3.The hypergolic propellant used in this rocket engine is highly efficient and environmentally friendly.
   这种火箭发动机中使用的超燃推进剂非常高效且环保。