大学低年级学生 meaning in English

lowerclassman
underclassman

Stress coping strategies among junior and senior grades students in fujian medical college
福建医科大学低年级学生压力应对特点
Objective to know the rides and characteristics of life quality among lower grade undergraduates , and to provide evidence for health improvement strategies
摘要目的了解大学低年级学生生活质量的特点和规律，为制定健康促进策略提供依据。