ignition precipitate

例句：

1. 1. The chemical was usedas an ignition precipitate in the fire extinguisher.
   这种化学物质被用作灭火器中的点火剂。
2. 2.The scientist found that the ignitionprecipitate could be a keyto solving this problem.
   科学家发现，这个点火剂可能是解决这个问题的关键。
3. 3. Theignition precipitate is mixed with oil andwater to create a powerful flame.
   点火剂与油和水混合，产生强大的火焰。