单词:urgels
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Key Words [00:00.78]关键词 [00:01.57]The Most Common Expressions [00:02.82]最常用表达法 [00:04.08]Incredible!It's said that someone has encountered a dinosaur in a primeval forest. [00:12.88]真难以置信!据说有人在原始森林里见到
This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute~ Theyre called hydogels: Jell-O-like materials made of networks of long-chain molecules in water. And theyre as flexible as living tissue. But hydrogels could not recov
Smart Bandages to Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Scientists say new made-made materials equipped with sensors could turn bandages into a valuable tool for health care workers. Simple bandages are usually seen as the fir
By Greg Flakus Cameron, Louisiana 07 February 2006 watch Hurricane Survivor report Devastated Cameron, Louisiana - 4 months later There were two major hurricanes that struck the Gulf coast last year,
LONDON, July 29 (Xinhua) -- South Africa's Cameron van der Burgh obliterated the world mark and won the men's 100m breaststroke gold medal at the London Olympics on Sunday. Burgh posted 58.46 seconds to wipe out the previous world record set by Austr
LOS ANGELES, June 18 (Xinhua) -- Microsoft Corp. unveiled Monday a family of tablets dubbed Surface, built on Windows 8, at an event in Los Angeles. Microsoft Chief Executive Steve Ballmer introduced the company's Surface family of tablets. The devic