单词：human defensive tissue
单词：human defensive tissue 相关文章
00:05.00]5 有用的东西 [00:10.00]A What things do Mary and Peter need to lay the tables? [00:16.78]Mary和Peter要摆什么在桌子上？ [00:23.56]Mary needs some knives and forks. [00:27.83]Mary要摆一些刀子和叉子。 [00:32.10]She also needs some plates. [00:3
小学英语深圳双语版六年级
New Body Clock Provides Clues to Aging From VOA Learning English, this is Science in the News. Im June Simms. And Im Jim Tedder. Today we tell about a newly-discovered body clock that provides clues to aging. We hear how learning new skills may help
2013年VOA慢速英语(十二)月
How 3-D Printing Can Create Tissue from Stem Cells 3D打印如何做到利用干细胞制造人体组织 An Israeli company has asked the United States Patent and Trademark Office for legal rights to a process for making a special kind of human cell.
2016年VOA慢速英语(六)月
When humans have a heart attack, heart muscles die after being cut off from their blood supply. But what if the heart could grow new muscle to replace the dead tissue? Some amphibians can regrow body parts, even entire limbs. But humans and other hig
VOA标准英语2011年(三月)
[00:00.00]Lesson Nine.Listen. [00:17.29]What's this? It's a tissue. [00:23.35]Thanks.Susan's beautiful. [00:29.91]You're beautiufl too.Carol. [00:34.77]Some pronunciation practive.Repeat. [00:40.96]what's this what's that [00:53.81]these what're thes
洪恩环境英语
航站楼：terminal + 号码／数字 坐出租车，和师傅说：麻烦请到机场 Airport, please. Please 的发音和 police （警察）不要搞错了！ 航站楼 用英语怎么说 给小费，通常给10%车费当小费 Keep the change. 不
这句英语怎么说
SCIENCE REPORT — March 27, 2002: New Stem Cell Study By Mario Ritter This is the VOA Special English SCIENCE REPORT. Researchers at an American medical center say special stem cells in normal human
科技之光
Science in the News - Researchers Work on 3-D Printing of Living Tissue 研究人员3D打印生物活组织 Three-dimensional printers are fast becoming everyday devices in the United States. Three-D printers are used to make everything from automobi
2014年VOA慢速英语(十)月
Little Johnny watched, fascinated, as his mother smoothedcold cream on her face. Why do you do that mommy? he asked. To make myself beautiful, said his mother, who then beganremoving the cream with a tissue. What's the matter? asked Little Johnny. Gi
趣味英语
Scientists Design Chips to Act Like Human Organs 科学家发明具有人体器官功能的芯片 Testing new drugs for safety and effectiveness is a costly process in the United States. It also can take a lot of time. Some scientists are now designi
2014年VOA慢速英语(十)月
Release of UN War Crimes Report Could Pressure Sri Lanka While the U.N.-commissioned report has not yet been made public, Sri Lanka's External Ministry rejected it Wednesday as fundamentally flawed. The ministry issued a statement saying the report d
VOA标准英语2011年(四月)
Scientists Regrow Tissue Killed During Heart Attack U.S. scientists have done what was once considered science fiction - regrown heart muscle to replace tissue that was killed off in a heart attack. It's the latest advance in the field of regenerativ
VOA标准英语2012年(二月)
Researchers have identified a link between dementia and the brain damage that can occur in older people with high blood pressure and other forms of cardiovascular disease. High blood pressure, high cholesterol, and other conditions that affect blood
VOA标准英语2010年(十一)月
This was what came of rebelling against the laws of Nature, Frederick and Pilkington said. 弗雷德里克和皮尔金顿说，正是在这一点上，造反是悖于天理的。 However, these stories were never fully believed. 然而，谁也没有完
动物农场 Animal Farm
Beating Heart Tissue from Stem Cells In a study in the journal Science, researchers explain how they used mouse embryonic stem cells and microchip technology to create heart muscle tissue that actually beats. Cynthia Graber reports One of the goals o
60秒科学
> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59
科技之光
Body Clock Provides Clues to Aging 生物钟提供衰老的线索 If youre searching for the fountain of youth, you might find it in your DNA. Thats according to a new study that sheds light on the biological clock ticking in our genomes, why our bod
VOA常速英语2013年(十月)
对于许多人来说，看电视是获取信息以及娱乐生活的主要方式之一。那么，你知道与看电视相关的一些词汇以及表达方式吗？相信下面的四个场景对话能让你获益不少。 1. I was here first 场景：
英语口语
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
英语新闻