v.熔炼，提炼(金属)
smelt的现在分词

The smelting process involves heating the ore to extract the metal.
冶炼过程包括加热矿石以提取金属。
Aluminum is produced through the smelting of bauxite ore.
铝是通过熔炼铝土矿生产的。
The ancient technique of smelting iron was crucial for the development of human civilizations.
熔炼铁的古老技术对人类文明的发展至关重要。
The copper smelting factory has been operating for over a century.
那家铜冶炼厂已经运营了一个多世纪。
Gold can be extracted from its ores by smelting at high temperatures.
金可以通过在高温下熔炼矿石来提取。
The noise and pollution from the smelting plant have caused concerns among local residents.
冶炼厂的噪音和污染引起了当地居民的担忧。
The discovery of smelting bronze revolutionized tool-making in ancient times.
青铜熔炼的发现彻底改变了古代的工具制造。
Modern smelting techniques are more energy-efficient and environmentally friendly.
现代熔炼技术更加节能且环保。
The company plans to expand its smelting capacity to meet the growing demand for steel.
该公司计划扩大其熔炼能力以满足日益增长的钢铁需求。
During the smelting process, impurities separate from the metal and rise to the surface as slag.
在熔炼过程中，杂质与金属分离并作为炉渣升至表面。