ash cone

例句：

1. 1.The fireman used an axe to break open the ash cone.
   消防员用斧头砸开了灰烬锥。
2. 2. The ash cone is made of coal and has a hard outer shell.
   灰烬锥是由煤炭制成的，外壳坚硬。
3. 3. The ash cone was used as a tool for digging in the past.
   灰烬锥在过去被用作挖掘工具。