单词：microcellcounter
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This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a minute? A strain of mutant mice groom compulsively till they seriously injure themselves. The condition is considered a good animal model for OCD, and its similar to the human d
Scientific American(五)月
This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Forget the scalpel, researchers at Johns Hopkins University have created a tool that can move easily through tissue, potentially making biopsies much less invasive.
Scientific American(一)月
This year, the number of mobile phones on cell networks is expected to surpass the Earth's population. More people now own cell phones than actually have access to working toilets. James Meadow, a microbial ecologist at the University of Oregon. Hidd
2014年Scientific American(七)月
China shuts down 97,000 blog, microblog accounts in anti-porn campaign BEIJING, Sept. 28 (Xinhua) -- Chinese authorities have shut down about 97,000 blog and microblog accounts over the past seven months which are allegedly involved in dissemination
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001 See you later.待会见；再联络 A: I have to go.B: See you later. 002 What’s up?近来过得如何？ A: Hey! What’s up?B: Nothing much! As usual. 003 It’s on me.我来付 A: The beer is
实用英语
1 See you later.待会见；再联络 A: I have to go. B: See you later. 2 Whats up?近来过得如何？ A: Hey! Whats up? B: Nothing much! As usual. 3 Its on me.我来付 A: The beer is on me. B: Thank you. 4 I mean it.我是说真的 A: Do you rea
英语口语