The dawn raids Tuesday were carried out by about 170 policemen.

周二的凌晨突袭有大约一百七十名警察参加。

《柯林斯英汉双解大词典》

So far Huawei has grown into the world's largest telecommunication equipment supplier, selling in 170 countries.

迄今为止，华为已经成长为世界上最大的电信设备供应商，产品销往170个国家。

youdao

The number of Asian elephants in China has increased from 170 in the 1970s to about 300 nowadays.

中国的亚洲象数量从20世纪70年代的170头已经增加到现在的300头左右。

youdao

The trial began in November 2008 and lasted more than 170 days one of the longest in Australian legal history.

VOA: standard.2009.10.17

In terms of cost to institute this, the upfront cost to build classrooms, to accommodate this kind of structure, we need two classrooms that hold 170 students a piece to do this.

关于建这个项目的成本，最主要的就是搭建教室，使之适应这种教学模式，我们需要两间能装170人,的教室来上这种课。

麻省理工公开课 - 媒体、教育、市场课程节选

A Jewish center was among the targets attacked last November in Mumbai by Pakistani-based militants who killed about 170 people.

VOA: standard.2009.10.16