When Levi Strauss and tailor Jacob Davis patented the process to put rivets in men's denim work pants, they created the world's first blue jean.

当利瓦伊·施特劳斯和裁缝雅各布·戴维斯把在工作服上打柳钉的程序申请专利时，他们便创造了世界上第一条牛仔裤。

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It was also a movement in search of a uniform: It found the leather jacket, the blue jean and the high-top sneaker.

这也是在一个统一的搜索行动：它发现的皮夹克，蓝色牛仔裤和高帮运动鞋。

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I often wear a red sweater and blue jean.

我经常穿红色的毛衣和蓝色牛仔。

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These metal devices helped reinforce the blue jean cloth to make the pants stronger.

VOA: special.2009.12.18

One of the assailants was described as an African-American male, approximately 18 to 22 years old, wearing a white T-shirt and blue jean shorts.

CNN: New Orleans shooting called street violence, not terror

One of the suspects was described as an African-American male, approximately 18 to 22 years old, wearing a white T-shirt and blue jean shorts.

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Sir ELTON JOHN (Singer): (Singing) Blue jean baby.

NPR: Does Age Quash Our Spirit of Adventure?