这座工厂曾以炼铜闻名,如今正转型生产高端合金。Zhè zuò gōngchǎng céng yǐ liàn tóng wénmíng, rújīn zhèng zhuǎnxíng shēngchǎn gāoduān héjīn.This factory was once known for smelting copper and is now transforming itself to produce high-end alloys.
工人们把铁矿石放进炉子里炼成钢。Gōngrénmen bǎ tiěkuàngshí fàng jìn lúzi lǐ liàn chéng gāng.The workers put iron ore into the furnace and smelt it into steel.
每天早上跑步,是为了炼出一个好身体。Měi tiān zǎoshang pǎobù, shì wèile liàn chū yí ge hǎo shēntǐ.Running every morning is to forge a strong body.