furnace

/ˈfərnəs/

an enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores, etc.

中文释义：熔炉；火炉

The old furnace in the basement needs to be replaced before winter.

地下室里的旧火炉需要在冬天之前更换。

Steel is produced in a blast furnace at extremely high temperatures.

钢是在高炉中通过极高温度生产的。