从事于...

Over 12 million are in service jobs in state and local governments, engaged in police and fire protection and office duties.

在州政府及地方政府中供职的人员约有1200万，分别从事于警察、消防及办公室的工作。

His father sat at the big kitchen table, working on a fishing net.

他的父亲坐在大的厨房桌子，从事于一张鱼网。

Materials and methods 1.1 General information 24 patients in this group were engaged in the operation with chlorine.

1资料与方法 1.1一般资料本组患者24例均从事于与氯气有关的操作。

Packing: To be packed in new gunny bags of 100 kgs. each

他从事于新产品系列包装的研究。

Companies specialized in the country's grain product development, processing, installation, maintenance services.

公司专业从事于国家粮库产品的开发、加工、安装、维护服务。

The company was founded in 2003, mainly engaged in pharmaceutical intermediates, fine chemicals development and marketing.

公司创建于2003年，主要从事于医药中间体、精细化工的开发和营销。

These facilities are engaged in Interstate Commerce, and are therefore regulated under federal law.

这些机构从事于州际贸易，因此在联邦法律的管制之下。

Of what nature were the external inducements which, during the Imperial period, tended to draw a man of inherent capacity to the pursuits of the jurisconsult may best be understood by considering the option which was practically before him in his choice of a profession.

在帝政时代，使一个有天才的人从事于法学专家的事业的外因，其性质究竟是怎样的，要理解这一点，最好的方法是考虑他在选择职业时所面对的抉择。

Shenzhen Kellogg Joint Industrial Development Co., Ltd. is mainly engaged in the ceramics trade of export commodities.

深圳凯乐联合实业发展有限公司主要从事于陶瓷日用品方面的贸易出口。

He is engaged in studies in linguistics .

他从事于语言学的研究。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失