网站简介：宾夕法尼亚州立大学（The Pennsylvania State University 缩写PSU)是位于美国宾夕法尼亚州的一所公立大学。宾夕法尼亚州立大学 在全美公立大学中排名稳定在前十五，并且被誉为‘公立常春藤’，同时宾夕法尼亚州立大学是著名的AAU（Association of American Universities）联盟成员。
网站简介：Free courses designed specifically for interactive study via the web, provided by MIT, Harvard and Berkeley. edX will also research how students learn and how technology can transform learning, both on-campus and worldwide.
网站简介：International industry consortium founded in 1994 whose purpose is to develop specifications, guidelines, software, and tools to promote the Internet's evolution and ensure its interoperability.
网站简介：elsevier.com is the web resource for the publishing house Elsevier, specializing in scientific, technical and medical information. Find all products, support and contacts, and information about the company.
网站简介：This is the official Web site of Purdue University, home of the Boilermakers, alma mater of the first and last men to walk on the moon, and proud member of the Big Ten Conference. Perennially ranked among the nation's top public universities and research institutions, Purdue serves as Indiana's land-, sea-, and space-grant university with a main campus in West Lafayette and locations across the state.
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网站简介：Allows two-way searches for over 400,000 words and phrases. Several options available.
网站简介：Bidirectional Spanish and English dictionary with audio pronunciation of the words.
网站简介：WhitePages.com allows you to find people, business listings, phone numbers, addresses, area codes, ZIP codes and postal codes.
网站简介：BrainyQuote is the world's largest quotation site. We educate and entertain audiences of all ages with family-friendly quotations from history's most prominent figures through to today's newsmakers - famous celebrities, athletes, politicians, authors, and everything in between. We are passionate about quotes, and on a mission to share our knowledge with the world.
网站简介：English language Wiki dictionary from the Wikimedia Foundation.
网站简介：Offers a broad range of full text and bibliographic databases designed for research. Subject areas include: academic, biomedical, government, school, and corporate libraries. Requires registration.
网站简介：Register online, prepare with real SAT questions, and get instant confirmation of test date and location.
网站简介：HowStuffWorks.com is an award winning site covering thousands of topics within its own 10 channels: Auto, Computer, Electronics, Entertainment, Health, Home, Money, People, Science and Travel.
网站简介：Provides a service to determine the originality of texts based on comparisons with their internal database and net-wide searches. Five free trials.
网站简介：Provides free online courses along with a range of certification options for a fee.
网站简介：Founded in 1754 as King's College by royal charter, it is the oldest institution of higher learning in the State of New York. Located in New York City and a member of the Ivy League.
网站简介：The official home page for the University of Michigan, Ann Arbor.
网站简介：Founded in 1865, Cornell is a leading private institution of higher learning located in Ithaca, New York. As the land grant university of New York, it includes four statutory units affiliated with the State University of New York.
网站简介：The dictionary you can understand featuring definitions that actually make sense with example use cases for the most popular words. Be confident in your use of words! YourDictionary features original definitions with example use cases; definitions from the American Heritage Dictionary of the English Language and Webster’s New World College Dictionary; specialized definitions for business, finance, investment, computer, culture, legal, medical and science; acronyms, abbreviations, and idioms; Encyclopedia of World Biography; Roget’s A-Z Thesaurus and Roget's II: The New Thesaurus; plus, audio pronunciations, sentence usage examples, famous quotes and language and reference articles.
网站简介：Official web site.
网站简介：UC campus in the Westwood neighborhood of Los Angeles.
网站简介：Offers information and news for prospective and current students, faculty, and staff. Highlights academic departments and athletics, serves as directory for multiple branches.