pyrophoric metals

例句：

1. 1. The oil is pyrophoric and should be stored in a cool, dry place.
   这种油是易燃的，应该存放在凉爽干燥的地方。
2. 2.The fire was caused by an ignitable material, which can easily catch fire.
   火灾是由一种易着火的物质引起的，很容易着火。
3. 3. The chemicals are combustible and must be handled with care to avoid explosions.
   这些化学物质是可燃的，必须小心处理以避免爆炸。