student的詞根

詞根是study，(v，學習)中文意思是n. 學生學者

She knows every student in the school.

她認識學校裏的每一個學生。

Mark is the best candidate for chairman of the student union， isn't he?

馬克是學生會主席的最佳人選，不是嗎

I'm convinced I'm the best candidate for the chairman of the Student Union.