n.熔炉,火炉,极热的地方,严峻的考验或磨难
The furnace broke down and the entire office building has no heat.
锅炉坏了,整栋办公大楼没有暖气.
The flame in the furnace can be looked at through coloured glasses.
可以通过有色眼镜观看高炉内的火焰.
A blast of hot air came from the furnace.
一股热风从火炉里吹出来.