大二的英文为：sophomore。
例句：
1、同时，埃默里大学的一个大二学生奥利维兰·鲁宾说，她从来没把课后的功课当成是考试。
Meanwhile, Olivia Rubin, a sophomore at Emory, says she hardly even considers take-homes true exams.
2、利亚姆两次都没能通过大二的一门考试，这让他的导师们很吃惊。
Liam surprised his tutors by twice failing a second year exam.
3、Summer大二的时候在冰淇淋店打工。
Summer's employment at the Daily Freeze during her sophomore year.
4、路易斯大学（Saint Louis University）的20岁大二学生菲斯特（Mary Pfister）每次看芝加哥黑鹰队的比赛时都会穿上球队的队服。
Mary Pfister, a 20-year-old sophomore at Saint Louis University, wears her Chicago Blackhawks shirt for each game.
5、清华大学化工系大二学生王润佳是该校首个参与修改PX词条的学生。4月2日，20岁的他像往常一样打开电脑。
Wang Runjia was the first Tsinghua University student to correct PX entry. The 20-year-old sophomore student of chemical engineering turned on his laptop as usual on April 2.
rememeber24
