[C,U]flames that are out of control and destroy buildings,trees,etc.失火;火灾 例句put out the fire 有冠词the或a,但一般情况下都定指具体的火所以一般用the 此时为可数(原则上可数不可数都可以 这是习惯用法) [C]a pile of burning fuel,such as wood or coal,used for cooking food or heating a room炉火:灶火 例句to make /build a fire生火 (必须可数) 参考 牛津第七版