They have become an every day part of our modern day world. Chemicals are present in pesticides, pollution and all kinds of industrial waste.

它们已成为我们现代社会日常生活的组成部分，化学物质存在于杀虫剂、污染物和各类工业废弃物中。

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They have a siesta during the hottest part of the day.

他们会在一天中最热的时候小憩一会儿。

《柯林斯英汉双解大词典》

The cultural practice of ear piercings, for example, has become a part of modern day culture.

例如，耳孔的文化实践已经成为现代文化的一部分。

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(Music) Those were comments from people who took part in the Breast Cancer 3-Day Walk held in Washington,D.C.,last month.

VOA: special.2009.11.02

They're required, every year, to go into the business, into one part of the business for a whole day and learn everything there is to know about that.

他们每年必须抽出一天仔细研究公司情况，公司某一方面的情况,了解所有相关信息。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

And the conflict is of course part of our life every day.

这一冲突当然是我们日常生活的一部分。

普林斯顿公开课 - 人性课程节选

This analysis is not done using broad and blunt tonnage levels, day part mixes, and other old-fashioned methods, but with specific programs on specific dates and times.

FORBES: Advertising Means Nothing If You Don't Have Predictability

He said relationships with the media were a day-to-day part of policing, with witness appeals and telling the public what they had a right to know, which was a "crucial part of our accountability".

BBC: Peter Fahy rules himself out of Met commissioner contest

With just one crew member this day --- in part because he knew the weather meant a relatively short day and in part to leave enough room for a CNN crew --- Pierce leaves the cabin to help harvest the crabs.

CNN: King: Waterman finds Chesapeake Bay 'dying daily'