专业 :[zhuān yè]specialized field例句与用法:1. 他大学时的专业是国际贸易。 He majored in international commerce in college.2. 专业人员的助手受过训练辅助专门人员的非专职人员 A trained worker who is not a member of a given profession but assists a professional.3. 医术,医业,医学有关医学的技术和专业 The art or profession of medicine.4. 从业者,执业者从事某事的人,尤指从事职业、专业或技术的人 One who practices something, especially an occupation, a profession, or a technique.