复数： coals
第三人称单数： coals
过去式： coaled
过去分词： coaled
现在分词： coaling
易混淆的单词： Coal

But iron ore and coal prices remain firm .

但铁矿石和煤炭价格仍保持稳定。

What energy sources could be substitutes for coal ?

什么能源资源可作为煤的替代品？

Replace coal with gas and such cooling is lost .

燃气取代燃煤，这种冷却效力即告消失。

But prime minister kan may still get a lump of coal for the holidays .

菅直人可能还可以得到为假期销售送来的这块雪中之炭。

High coal prices are also causing problems .

煤炭价格的高企也在带来麻烦。