两年前,早孕主要在大学生和高中生这两大人群。
"Two years ago, teenage pregnancy mainly happened to college and senior high school students, " he said.
大学生和高中生是形成健康的自我认知的关键时期。
University and high school kids are forming their own identities.
第18届国际数学建模竞赛(icm)将于2016年1月举行,该赛事是面向大学生和高中生的国际性赛事。
Thee Interdisciplinary contest in Modeling (ICM), an international contest for high school students and college undergraduates, will hold its 18th annual competition in January 2016.
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