combustibleness

例句：

1. 1. The oil is highly combustible, so it's important to handle it with care.
   这种油非常易燃，所以需要小心处理。
2. 2.The firefighters were trying to extinguish the flames from the burning building.
   消防员们正在努力扑灭燃烧的大楼里的火焰。
3. 3. The new car has a high level of combustibleness, which makes it easy to start and run.
   这款新车具有很高的可燃性，这使得它容易启动和运行。