calcining

例句：

1. 1. The steel is being calcined in a furnace.
   钢铁正在炉中煅烧。
2. 2. The process of calcining is essential for the production of high-quality ceramics.
   煅烧过程对于高质量陶瓷的生产至关重要。
3. 3. The calcining process reduces the moisture content in the clay, which improves its strength anddurability.
   煅烧过程减少了粘土中的水分，这提高了其强度和耐用性。