我十五岁就上了大学的英文

i had already been a university student at

• 我:    I; my; me
• 十五:    fifteen
• 岁:    year
• 就:    come near; move to ...
• 上:    upper; up; upward
• 了:    finish; complete; ...
• 大学:    college; universit ...

例句与用法

1. I had already been a university student at 15
   113我十五岁就上了大学。