She's built up a good stock of teaching materials over the years.

这些年来她积累了大量教学资料。

《牛津词典》

youdao

youdao

But a national survey found that in recent years foreign language teaching decreased in public elementary and middle schools.

VOA: special.2010.06.17

I've been teaching this stuff for twenty years, and I tend to find two basic kinds of students who shop my classes for the New Testament Introduction course.

这门课我上了20年，发现所有参加新约导论的学生,大致可归为两类。

耶鲁公开课 - 新约课程节选

and she has really made a lot of progress. I've been teaching her for almost 2 years,

她真的进步很大。我教她将近两年了，

和钢琴老师 - SpeakingMax英语口语达人

She left the college in three years while I kept teaching for 40 years.

BBC: Aung San Suu Kyi was 'a quiet and inquisitive student'

And this is what I've been teaching for years and years, but I never really had a proof of concept, really.

FORBES: Magazine Article

The two 50-minute online test sessions assessed "the old spreadsheet, word-processing and presentation applications which I was teaching 15 years ago, plus a bit of e-mail".

BBC: NEWS | UK | Education | School test 'should be optional'