initiation of flame

例句：

1. 1.The firefighters were able to initiate the flames with their hose.
   消防员们能够用水管引发火焰。
2. 2.The scientist conducted an experiment to understand the initiation of flames.
   科学家进行了一个实验来理解火焰的点燃过程。
3. 3. The new device was designed to prevent the initiation of flames in enclosed spaces.
   新设备被设计用来防止封闭空间中火焰的点燃。