动词 smelt:

1. extract (metals) by heating

smeltn.香鱼；胡瓜鱼vt.熔炼动词smell的过去式和过去分词.smelt the bottomv.因水浅而失速(擦底过)smelting furnacen.冶炼炉smelting factory钢铁厂smelting process冶炼过程smelt the groundv.因水浅而失速(擦底过)smelting aluminum炼铝smelter drippings熔滴,滴smelting capacity熔炼能力smelting strength冶炼强度smelter off-gas冶炼烟气

1. Fire provided a means of smelting ores.
   火提供了熔炼矿石的手段。
2. As a native metal, gold required no extraction by smelting.
   作为一种天然的金属，黄金不需要熔炼提取。