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n. 种种，多种多样14 次
I loved the man from the Thirties research who found that wireless suddenly offered “a lot of variety...things I thought I’d never be interested in...ice hockey perhaps”.
我很喜欢20世纪30年代那项调查中的一位男士，他发现无线电突然提供了“大量多样的内容……一些我以为自己永远不会感兴趣的东西……比如冰球”。
the variety of activities.
活动的多样性。
(48) Scientists have employed a variety of ways to engage the general public in their research, such as making data analysis into an online game or sample collection into a smartphone application.
(48) 科学家们采用了多种方式让公众参与他们的研究，例如把数据分析做成网络游戏，或把样本采集做成智能手机应用程序。
They move between a variety of habitats, including forests, grasslands, woodlands, wetlands and agricultural land.
它们在各种栖息地之间迁徙，包括森林、草原、林地、湿地和农田。
Though Native Americans (and later miners and fur trappers) had long recognized the area’s riches, most Americans did not. That’s why Hayden’s expedition aimed to produce a fuller understanding of the Yellowstone River region, from its hot springs and waterfalls to its variety of flora and fauna. In addition to the entourage of scientists, the team also included artists: Painter Thomas Moran and photographer William Henry Jackson were charged with capturing this astounding natural beauty and sharing it with the world.
尽管美洲原住民（以及后来的矿工和毛皮猎人）早就认识到该地区的富饶，但大多数美国人并不了解。这就是为什么海登的考察旨在更全面地了解黄石河地区，从温泉、瀑布到各种动植物。除了随行的科学家，考察队还有艺术家：画家托马斯·莫兰和摄影师威廉·亨利·杰克逊负责捕捉这令人惊叹的自然之美，并将其与世界分享。
The variety of plastic objects at risk is dizzying: early radios, avant-garde sculptures, celluloid animation stills from Disney films, the first artificial heart.
面临风险的塑料物品种类多得令人眼花缭乱：早期的收音机、先锋派雕塑、迪士尼电影的赛璐珞动画剧照、第一颗人造心脏。
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Writing in The New Republic, Alice Lee notes that increasing the number of opportunities for board membership without increasing the pool of qualified women to serve on such boards has led to a “golden skirt” phenomenon, where the same elite women scoop up multiple seats on a variety of boards.
艾丽斯·李在《新共和》上撰文指出，增加董事会成员的机会，却没有扩大能够在这些董事会任职的合格女性人才库，导致了“金裙”现象，即同一批精英女性在多个董事会中揽下多个席位。
(50) The virgin forest with its richness and variety of trees was a real treasure-house which extended from Maine all the way down to Georgia.
(50) 这片原始森林树木丰富多样，是一座真正的宝库，从缅因州一直延伸到佐治亚州。
To find their sites, archaeologists today rely heavily on systematic survey methods and a variety of high-technology tools and techniques.
为了找到遗址，如今的考古学家在很大程度上依赖系统的勘测方法以及各种高科技工具和技术。
The teachers' unions keep an eye on schools, the CCPOA on prisons and a variety of labor groups on health care.
教师工会盯着学校，加州惩教人员协会盯着监狱，各种劳工团体则盯着医疗保健。
Just as the bewildering variety of human courtship rituals might all be considered forms of sexual selection, perhaps the world's languages, music, social and religious customs and even history are governed by universal features.
正如人类求偶仪式虽然多得令人眼花缭乱，却都可以被视为性选择的形式一样，或许世界上的语言、音乐、社会和宗教习俗乃至历史都受普遍特征的支配。
In many respects, the U.S. was more socially tolerant entering this recession than at any time in its history, and a variety of national polls on social conflict since then have shown mixed results.
在许多方面，美国进入这次衰退时的社会包容度比历史上任何时候都高，而此后各种关于社会冲突的全国性民调结果则好坏参半。
To be sure, he performs an impressive variety of interesting compositions, but it is not necessary for me to visit Avery Fisher Hall, or anywhere else, to hear interesting orchestral music.
诚然，他演奏的有趣作品种类之多令人印象深刻，但我并不需要去艾弗里·费希尔音乐厅或其他任何地方，才能听到有趣的管弦乐。
exaggerate the variety of live performances.
夸大了现场演出的多样性。
n. 种类，品种2 次
are trying to grow new varieties of grains.
正在尝试种植新的谷物品种。
One reason why it is hard to design and teach such courses is that they cut across the insistence by top American universities that liberal-arts education and professional education should be kept separate, taught in different schools. Many students experience both varieties. Although more than half of Harvard undergraduates end up in law, medicine or business, future doctors and lawyers must study a non-specialist liberal-arts degree before embarking on a professional qualification.
此类课程难以设计和讲授的原因之一在于，它们与美国顶尖大学的一贯主张相抵触，即博雅教育和职业教育应当分开，由不同的学院讲授。许多学生两种教育都会经历。虽然超过一半的哈佛本科生最终从事法律、医学或商业，但未来的医生和律师在攻读职业资格之前，必须先读一个非专业性的文科学位。