大ä¸å¦ç-freshman
大äºå¦ç-sophomore
大ä¸å¦ç-junior
大åå¦ç-senior
大ä¸å¦å¹´-freshman year, first year of college
大äºå¦å¹´-sophomore year, second year of college
大ä¸å¦å¹´-junior year, third year of college
大ä¸å¦å¹´-senior year, last year of college, fourth year of college
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