We were working on the eleventh floor.

我们在第11层工作。

《柯林斯英汉双解大词典》

He is working on a new novel.

他正在写一部新小说。

《牛津词典》

She's outside, working on the car.

她在外面修理汽车。

《牛津词典》

Tim Tate is also working on a series of blown glass sculptures inside of which are small televisions playing videos.

VOA: special.2009.09.16

Somebody say it real loud. Yes, the system is working on the surroundings, right? It's pushing out against them.

有人很大声的回答了，对，系统在对外做功，他把外界向外推开。

麻省理工公开课 - 热力学与动力学课程节选

Everyone is, you know, kind of always working or worried about what they're going to be working on next.

每个人都在埋头工作，而且都在担忧接下来要干些什么。

气泡项目 - SpeakingMax英语口语达人

The subway only has two lines, though, and is currently working on building a third.

BBC: Subway systems by the numbers

Net 1, he says, is working on smart card systems for Vietnam, Indonesia, the Philippines and Colombia.

FORBES: Great Expectations

What about all those bureaucrats at the Department of Energy working on renewable energy and energy conservation?

FORBES: Tax My Carbon