高中的一年级到三年级 High school the first grade to the third grade 高中一年级 Grade one of senior high school 高中二年级 The second grade of senior high school 高中三年级 The third grade of senior high school
Freshman Sophomore Junior Senior
小学一年级,二年级..:primary school grade one / grade two, 高一:high school freshman 高二:high school sophomore 高三:high school senior 希望回答对你有帮助 o(∩_∩)o~