soph·o·more
noun/ˈsɒfəmɔː(r)/
/ˈsɑːfəmɔːr/
(US English)- a student in the second year of a course of study at a college or university
（大学）二年级学生 - a high school student in the 10th grade
（高中）二年级学生 compare freshman, junior, senior
Word Originmid 17th cent.: perhaps from earlier sophumer, from sophum, sophom (obsolete variants of sophism) + -er.