class简单

His status in Lord Wellington’s headquarters and the recognition given to him for his work were all bound up with the class politics of the army at the time.

他在威灵顿勋爵司令部中的地位以及他的工作所获得的认可，都与当时军队中的阶级政治密切相关。

(47) And the demand that rose in those societies for entry to higher education extended to groups and social classes that had not thought of attending a university before the war.

(47) 而且，这些社会中兴起的接受高等教育的需求扩展到了战前从未想过上大学的群体和社会阶层。

Among the annoying challenges facing the middle class is one that will probably go unmentioned in the next presidential campaign: What happens when the robots come for their jobs?

中产阶级面临的诸多恼人挑战中，有一项很可能在下一届总统竞选中无人提及：当机器人来抢他们的饭碗时，会发生什么？

About half of U.S. jobs are at high risk of being automated, according to a University of Oxford study, with the middle class disproportionately squeezed.

根据牛津大学的一项研究，美国约有一半的工作面临被自动化取代的高风险，而中产阶级受到的挤压格外严重。

But many middle-class occupations — trucking, financial advice, software engineering — have aroused their interest, or soon will.

但许多中产阶级职业——卡车运输、财务咨询、软件工程——已经引起了它们的兴趣，或者很快就会引起。

But in the medium term, middle-class workers may need a lot of help adjusting.

但在中期内，中产阶级工人可能需要大量帮助来进行调整。

While books are, and should always be, at the heart of any library, a multitude of other services are offered: employment advice, language classes or digital access and support.

虽然书籍是、也应该永远是任何图书馆的核心，但图书馆还提供大量其他服务：就业咨询、语言课程，或数字接入与支持。

A study last year by the National Center for Science Education, a non-profit group of scientists and teachers, looking at how state public schools across the country address climate change in science classes, gave barely half of US states a grade B+ or higher.

由科学家和教师组成的非营利团体——美国国家科学教育中心去年开展了一项研究，考察全国各州公立学校如何在科学课上讲授气候变化，结果只有勉强一半的州获得了B+或更高的评级。

Although ethics classes are common around the world, scientists are unsure if their lessons can actually change behavior; evidence either way is weak, relying on contrived laboratory tests or sometimes unreliable self-reports.

尽管伦理课在世界各地都很常见，但科学家们并不确定这些课程能否真正改变人的行为；无论支持还是反对，证据都很薄弱，要么依赖人为设计的实验室测试，要么依赖有时并不可靠的自我报告。

The researchers investigated one class session’s impact on eating meat.

研究人员调查了一堂课对吃肉行为的影响。

Scientists generally believe that the effects of ethics classes are ____

科学家们普遍认为，伦理课的效果____

It is a hot topic in ethics classes.

它是伦理课上的热门话题。

Half of the students in four large philosophy classes read an article on the ethics of factory-farmed meat, optionally watched an 11-minute video on the topic and joined a 50-minute discussion.

在四个大型哲学班中，一半学生阅读了一篇关于工厂化养殖肉类伦理问题的文章，可选择性地观看了一段关于该话题的11分钟视频，并参加了50分钟的讨论。

The students in the Flatiron class probably won’t drop out of high school and build the next Facebook.

熨斗学校班上的学生大概不会从高中辍学去打造下一个脸书。

A toothy grin (especially when there were gaps or blackened teeth) lacked class: drunks, tramps, and music hall performers might gurn and grin with a smile as wide as Lewis Carroll’s gum-exposing Cheshire Cat, but it was not a becoming look for properly bred persons.

露齿的笑（尤其是牙齿有缝隙或发黑时）显得缺乏格调：醉汉、流浪汉和杂耍剧场的演员可能会做鬼脸、咧嘴大笑，笑容宽得像刘易斯·卡罗尔笔下露出牙龈的柴郡猫，但对于有良好教养的人来说，这可不是得体的样子。

You cannot buy class, as the old saying goes, and these upstart entrepreneurs cannot buy their prizes the prestige of the Nobels.

俗话说，品位是买不来的，这些暴发户企业家也无法为他们的奖项买来诺贝尔奖那样的声望。

Fundamentally, the USPS is in a historic squeeze between technological change that has permanently decreased demand for its bread-and-butter product, first-class mail, and a regulatory structure that denies management the flexibility to adjust its operations to the new reality.

从根本上说，美国邮政署正处于前所未有的两面夹击之中：一方面，技术变革使其核心产品——一类邮件——的需求永久性下降；另一方面，监管体制使管理层无法灵活调整运营以适应新的现实。

attracting more first-class mail users.

吸引更多一类邮件用户。

The peer-reviewed results showed that the target group of pupils drew on a wider vocabulary, used words “classed as more sophisticated or rarer”, and wrote at greater length.

经同行评审的结果显示，实验组学生使用的词汇更广，用了“被归为更高级或更罕见”的词，而且写得更长。