Ideas about social class—whether a person is "working-class" or "middle-class"—are one area in which changes have been extremely slow.

关于社会阶级的观念，判断一个人是“工人阶级”还是“中产阶级”，这是一个极其缓慢的变化过程。

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This is a Slow Family Living class, taught by perinatal psychologist Carrie Contey and Bernadette Noll.

这是一堂“缓慢家庭生活”课，教授者为围产期心理学家卡利康缇和伯纳黛特·诺尔。

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The detector element specifies the class used to implement the detector and whether it is a fast or slow detector.

Detector元素指定用于实现检测器的类以及它是快速还是慢速检测器。

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Now we're going to I'm going a bit slow here but I'm going to use this method next time to introduce you to the most important class, sorry, the most important game we're going to see in the whole course.

接下来我们,我放慢一点,在下一讲我还要用这个方法,我要向大家介绍最重要的课程,抱歉,是整个课程中最重要的博弈

耶鲁公开课 - 博弈论课程节选

Michael Clarke's five overs of spin were safely negotiated - Australia's lack of a high-class slow bowler would become rudely exposed by the end of the day - and it was a surprise when the third wicket fell.

BBC: Indian batsmen defy Australians

Manufacturing built the middle class and now we see the middle class dying a slow death.

FORBES: Guest Post: Creating Jobs

Given the slow present pace of recovery, America risks the creation of a class of the structurally unemployed.

ECONOMIST: Unemployment benefits