adj. 年少的;后进的;下级的
n. 年少者,晚辈;地位较低者;大学三年级学生
n. (Junior)人名;(英)朱尼尔;(德)尤尼奥尔
The junior high school is rapidly becoming the people's high school. The percentage of pupils completing the ninth year is constantly rising where junior high schools have been established. [Anne Laura McGregor, "Supervised Study in English for Junior High School Grades," New York, 1921]