underclassman

noun

1. 低年级学生（美国中学或大学一、二年级的学生）
   (in the US) a student in the first or second year of high school or college

1. An Exploration of Curriculum Setting about Introduction of Major Subjects for Underclassman
   大学低年级课程中开设专业导论课的探索
2. By exploring these everyday discourses and behaviors of migrant workers, we have perceived their ways of behavior and survival strategies as the "wreakers" and the underclassman in the urban society.
   通过探讨农民工群体的这些在日常生活中的话语和行为，我们看到了他们作为城市社会的弱者和底层群体所采取的行为方式和生存策略。

noun

1. an undergraduate who is not yet a senior

   Synonym:    lowerclassman