We were working on the eleventh floor.

我们在第11层工作。

Students can gain valuable experience by working on the campus radio or magazine.

学生们通过在校园广播台或校刊工作能够获得宝贵的经验。

He is working on the inventions in human health.

他致力于人类健康方面的发明。

I have three oxen working on the farm.

我有三头公牛在农场里工作。

Nowadays, scientists are working on improving health care robots.

如今，科学家们正致力于改进医疗机器人。

Family Health International has been working on public health issues since 1971.

国际家庭健康组织自1971年以来一直致力于公共健康问题。

He is working on a new novel.

他正在写一部新小说。

She's outside, working on the car.

她在外面修理汽车。

Linda spends all her time working on the garden.

琳达用所有的时间在那座花园里劳作。

He hasn't said he'll do it yet, but I'm working on him.

他还没说他会做这事，不过我正在设法说服他。

They have been working on the perfection of the new model.

他们一直在努力完善新型号。

He gained valuable experience whilst working on the project.

从事这项工程使他获得了宝贵的经验。

We are working on the assumption that it was a gas explosion.

我们正依据它是一起燃气爆炸的假设而行动。

The police are working on the supposition that he was murdered.

警方正根据他被谋杀的假定展开调查。

It is understood that the band are working on their next album.

据说这个乐队正在录制他们的下一张专辑。

I was still working on and off as a waitress to support myself.

我仍然有时做女招待来维持生活。

We are working on the assumption that everyone invited will turn up.

我们假定了每一个人都会应邀出席并正就此作出安排。

Manufacturers are working on a new generation of cheaper digital radios.

厂家正在生产新一代更便宜的数码收音机。

People speculate about virtuality systems, but we're already working on it.

人们对虚拟系统尚存疑虑，而我们已经在开发了。

The university has been working on hypersonic technology for nearly 16 years.

该大学研究极超音速技术已经近16年了。

The firm is working on a new product in combination with several overseas partners.

这家公司与几家海外合伙人在联合开发新产品。

You should get into the routine of saving the document you are working on every ten minutes.

你应该养成每十分钟将正在编辑的文件存盘一次的习惯。

James Fox is best known as the author of "White Mischief," and he is currently working on a new book.

詹姆斯·福克斯以其作品《欲望城》最为知名，目前他正在写一本新书。

We are just working on puzzles.

我们只是在玩智力游戏罢了。

He is still working on rice.

他仍在研究水稻。

He kept working on this dream for years.

多年来，他一直为这个梦想而努力。

Some engineers are working on a Fire Recharger.

一些工程师正在研制一种火力充电器。

She was working on a large piece of iron.

她正在加工一大块铁。

When working on them, she became more and more confident.

在做它们的过程中，她变得越来越自信。

Margaret spent several hours working on the Christmas cards carefully.

玛格利特花了几个小时仔细地制作圣诞卡片。