metal,金属，-urg,作工，工作，词源同work,allergy.即冶金学。

1. He studied metallurgy as a mature student, having spent ten years working in a foundry.

在一家铸造厂工作了10年以后,他成为成人学生学习冶金专业.

2. Was he right to change from Physics to Metallurgy?

他由学物理改为学冶金是正确的 吗 ?

3. Widely used in industry of machinc. electric power, metallurgy, chemical and oil, etc.

广泛应用于机械、电力 、 冶金 、 化工、石油等行业.

4. The process of preparation foam aluminum by powder metallurgy method was studied.

对采用粉末冶金法制备泡沫铝材料进行研究.

5. In metallurgy industry, iodine is used for purifying high pure metal.

在冶金工业中, 碘用于精炼高纯度金属.