煅灰

例句：

1. 1. The furnace had burned out, leavingonly the ash behind.
   炉子烧坏了，只剩下灰烬。
2. 2. Thefirefighters were leftwith nothing but ash andsoot.
   消防员们除了灰烬和煤烟什么也没有了。
3. 3. Theold house was reduced to ash afterthe fire.
   火灾过后，那座老房子变成了灰烬。