And that means extra work for members of the clergy.

VOA: special.2009.12.21

And that the extra work it takes to lie was beyond him.

撒谎所需要的额外行为超出了他的能力

耶鲁公开课 - 心理学导论课程节选

But my boss called me in on the weekend to do some extra work.

但是我老板在周末把我叫去，做一些额外的工作。

The thing is 实战 - SpeakingMax英语口语达人

On the military side, the Chairman of the Senate Armed Services Committee, Democrat Carl Levin, says the plan calls for an extra 4,000 US trainers to work with the Afghan armed forces.

VOA: standard.2009.03.26

get back to the initial point is going to require some input from outside, like heat or extra work or extra heat or something because you've done an irreversible process.

如果要逆转它,回到初始点，就需要外界的投入，比如额外的功，额外的热量等等,因为你进行了一个不可逆过程。

麻省理工公开课 - 热力学与动力学课程节选

She's done fantastic work, showing how people who help-- whether it's helping five extra acts during the week-- it can be more; doesn't have to be restricted to five-- or people who help five extra acts during one day, it's actually contributing to their wellbeing.

她很好地，证明人们-,不论是在一周内多做五件好事-,可以更多;,不必局限于五件-,或者人们在一天内多做五件好事，都能让他们更幸福。

哈佛公开课 - 幸福课课程节选