I’m specializing in differential and integral calculus.

我正专攻微分学和积分学。

This travel firm specializes in charter flights.

这家旅游公司专营包机业务。

He decided to specialize in entomology after graduation.

他决定毕业后专攻昆虫学。

The bakers specialize in catering for large parties.

那些面包师专门负责为大型宴会提供食品。

She was a scholarly woman who had specialized in Italian literature at university.

她是个学问精深的女人, 她在大学里读的专业是意大利文学。

These agencies specialize in fixing inaccurate or unverifiable information on financial reports.

这些机构是专门从事固定不准确或未经核实的资料，对财务报告。

The cinema specializes in Italian films.

这家电影院专门放映意大利电影。

I’m not really at home with seventeenth-century literature. I specialize in the nineteenth century.

我对十七世纪文学不太熟悉，我的专业是十九世纪文学。

We specialize exporting hemp, jute, sisal,kendir, linen,ramie fiber, yarn, twine,rope, fabrics and clothing.

大麻，黄麻，剑麻，罗布麻，亚麻，苎麻纱线，面料，成衣及各种绳，线，工艺制品。

We are a manufacturer specializing in the manufacture and export of dumbwaiter, homelift, traction machine, control cabinet, etc.

我们是一家专业生产杂物电梯，别墅电梯及其配件曳引机，控制柜的生产厂家。

She specializes in obstetrics.

她是产科专家。

Specialize in : Hop Dip Galvanizing Computerized Weighbridge.

中文):防锈表面处理、热浸镀锌。

Many students specialize in engineering.

许多学生专攻工程学。

Specialize in Endometriosis, Uterine Fibroid, Breast Cancer, Postpartum Depression, Post-natal obesity and other gynaecologic disorders

东华医药研究院专门研究子宫内膜异位症，子宫肌瘤，乳腺癌，产后抑郁症，产后肥胖症等妇科疑难病的治疗。

Christian Frigo specializes in Italian cuisine as an unconditional believer in the usage of fresh seasonal ingredients.

主厨福瑞安致力于使用新鲜时蔬去烹饪意大利美食。

We specialize in producing and selling all kinds of top grade ormolu of decoration, European furniture and daily use.

公司主要生产和销售各式高档家居陈设陶瓷、欧美系列家居及日用品。

Redbird is a comprehensive GIS manufacturer that specializes in aerial photography, map making, true three-dimensional modelling and GIS development.

目前是集航空摄影、航测、真实三维建模和地理信息系统开发业务于一体的综合地理信息生产商。

Bonk, a professor of education at Indiana University in Bloomington, is specializing in ways to integrate online technologies into teaching.

Bonk专门从事将网络技术融入教育中的研究。

Waddy has established for more than 20 years in the Jewellery industry, specialized in designing, manufacturing, processing and selling of Diamond Jewellery.

是集钻石和宝石首饰设计、生产、加工与销售为一体的专业化珠宝企业。

The factory specializes in manufacturing lamp ornaments and metalware components (including ceiling lamp, hanging lamp, table lamp, and bedlamp etc. five catalogues).

是一间专业生产灯饰五金配件（其中包括吊灯、吸顶灯、台灯、床头灯等大部分五金产品），颇具规模和实力的独资企业。