The extra payments are a lifeline for most single mothers.

额外补助对大多数单身母亲来说都是赖以生存的生命线。

《牛津词典》

The conference is going to be a lot of extra work.

这次会议将意味着很多额外工作。

《牛津词典》

He picked up extra money as a local stringer for the New York Herald.

他通过做《纽约先驱报》的本地特约记者赚了些外快。

《柯林斯英汉双解大词典》

No 30-minute extra times are being played, so the tournament gives only two points for a shootout win instead of three.

VOA: standard.2009.07.25

They are very aggressive to be type-A people who just simply made two extra hours out of their 24-hour day.

他们渴望成为上等人,甚至希望每天,能多过两个小时。

麻省理工公开课 - 媒体、教育、市场课程节选

So, in terms of practicing this weekend, I mentioned that instead of getting a problem-set today, what I am going to be posting is optional extra problems.

而对于这周的练习，我曾经说过今天将不会布置作业，但是会布置一些额外的习题。

麻省理工公开课 - 化学原理课程节选

The news coincided with the launch of Sky Go Extra - a service allowing users to download movies and TV shows so they can be watched offline.

BBC: Sky logo

"Bo Diddley means that a guy was something extra-special or a real pistol, " Barge says.

NPR: Bo Diddley, Architect of Rock, Dies

Bluetooth may be cheaper, but it faces many of the same chicken-and-egg problems: why pay extra for a Bluetooth-enabled printer if you do not have a Bluetooth-enabled laptop, and vice versa?

ECONOMIST: REPORT: WIRELESS COMMUNICATIONS