propergol

例句：

1. 1. The propergol was used to dissolve thewax in the candles.
   正庚烷被用来溶解蜡烛中的蜡。
2. 2. The propergol was used as a solvent for organiccompounds.
   正庚烷用作有机化合物的溶剂。
3. 3.The propergol was used to createa chemical reaction.
   正庚烷用于创造化学反应。