Khan Academy
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
点击进入 - 2014-05-22 - 收藏
MSN Brasil
Veja notícias de Brasil, mundo, entretenimento, famosos, esportes, carros, jogos e tecnologia, e como entrar em serviços como Skype, Hotmail e Outlook.com
点击进入 - 2014-02-04 - 收藏
Amazon.com
Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & personal care, broadband & dsl, gourmet food & just about anything else.
点击进入 - 2014-02-04 - 收藏
Funnyordie幽默搞笑网
funny or die | funny videos, funny video clips, funny pictures - Funny videos, funny pictures, funny jokes, top ten lists, caption contests, and funny articles featuring celebrities, comedians, and you.
点击进入 - 2014-01-26 - 收藏
PakistaniMusic巴基斯坦音乐网
巴基斯坦音乐网Live Pakistani music: Songs, Videos, Ghazals, Qawwalis & Islam Naats. Listen to Audio from Classic Films, Dramas, Urdu Poetry and more.
点击进入 - 2013-12-17 - 收藏
可汗学院Khan Academy
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
点击进入 - 2013-11-17 - 收藏
American Society for Microbiology
The American Society for Microbiology (ASM) is the oldest and largest single life science membership organization in the world. Membership has grown from 59 scientists in 1899 to more than 39,000 members today, with more than one third located outside the United States. The members represent 26 disciplines of microbiological specialization plus a division for microbiology educators.美国微生物学会（American Society for Microbiology，简称ASM），是生命科学领域中全球最大且历史最悠久的会员组织。会员人数从1899年的59名已发展到现今超过43000名，其中超过三分之一的会员来自
点击进入 - 2013-10-22 - 收藏