Mr. Huang is an excellent English teacher who has over 20 years' teaching experience.

黄老师是一位优秀的英语教师，有20多年的教学经验。

youdao

The boys were appallingly competitive and the teaching excellent 20 years ago; both remain so today.

20年前，男孩子们非常具有竞争意识而且教学非常优秀；这两项今天依然如此。

youdao

This volume distills 20 years of trading and teaching experience.

这本书提炼了20年的交易和教学经验。

youdao

Now, so there's probably a number of people in this room, so when I first started teaching this class 20 years ago, everybody in the room had had chickenpox.

现在,这间教室中的很多人也许,在二十年前,我第一次教这门课的时候,当时教室里的每个人都得过水痘

耶鲁公开课 - 生物医学工程探索课程节选

Also, I ask the teaching assistants to give me little capsule descriptions of you so that if in ten years, or 20 years from now, I get a call from a reporter asking about this illustrious person who was once my student, I can have something to prod my memory.

我还要求助教做一个,你们每人的简要描述给我,这样的话,如果在10年20年后,有个记者打电话给我,向我询问一位曾经是我的学生,而现在已经声名显著的人时,也好有些资料帮我想起来

耶鲁公开课 - 金融市场课程节选

I've spent the last 20 years teaching journalism and writing classes at a selective public university, and the majority of my (bright) students put me in mind of Jack Nicholson's line to Tom Cruise in "A Few Good Men": "You can't handle the truth!"

WSJ: Word Craft: Ben Yagoda on Not Writing Badly

That is why it took Switzerland more than 20 years to introduce teaching in a second national language (German or French) at the age of 11-plus instead of 14.

ECONOMIST: Do you speak English? Jaa, es bitzli

So are we doomed to have to wait another ten or 20 years before another inquiry will consider starting language teaching earlier?

BBC: Parlez-vous francais?