冶金

    yějīn

    1. Nounmetallurgy

    1.他在学冶金。Tā zài xué yějīn.He is studying metallurgy.

    2.他大学主修冶金专业,毕业后去了钢厂。Tā dàxué zhǔxiū yějīn zhuānyè, bìyè hòu qù le gāngchǎng.He majored in metallurgy in college and joined a steel plant after graduation.

    3.他投身冶金行业,研究如何降低能耗。Tā tóushēn yějīn hángyè, yánjiū rúhé jiàngdī nénghào.He entered the metallurgy industry to study how to reduce energy consumption.