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Oxford Advanced Learner

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

The largest and most trusted free online thesaurus. Quickly find accurate and up-to-date synonyms, antonyms, and related words at Thesaurus.com. Synonym dictionary, antonym dictionary, words synonyms.

Translation-Dictionary offers free online dictionary and free translation services for many languages. i.e. English-French translation and English-Chinese translation

YouTube is a place to discover, watch, upload and share videos.

Twitter is without a doubt the best way to share and discover what is happening right now.

同步你的Instagram照片到人人、豆瓣和饭否，支持iPhone/Android客户端

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

from News-Medical.Net - Latest Medical News and Research from Around the World

The Babylon 9 translation software offers instant full text, full Website and document translation in 75 languages. Trial version available to private and business customers.

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the world, securely and privately show content to your friends and family, or blog the photos and videos you...