毕业于斯坦福大学 meaning in Chinese

graduated from stanford university

I was a stanford graduate who ' d entered the service through the r . o . t . c
我毕业于斯坦福大学，通过美军后备军官训练队加入现役
Doctor barrett . as you gratuated from stanford university and have been there as a teacher for ten years , what gave you the deepest impression in your memory as a student
贝瑞特博士，您毕业于斯坦福大学并留教十年，什么给您留下了最深刻的印象