单词：acidophile cell
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By Caty Weaver Broadcast: July 25, 2003 This is Bill White with the VOA Special English Environment Report. Researchers say they have found a way to reduce the cost of some 1)fuel cell production. The
VOA2003（下）-环境与健康
a lot of [much or many] We had a lot of rain. carry out [to do; to put into effect] Please carry out the plan. pass a bill [approve] Congress is expected to pass a bill to cut taxes. take steps [to start to do something] The government will take step
VOA慢速英语1500基础单词例句
An international police operation has shut down the largest Internet paedophile ring ever discovered. Police officers rescued 60 children in Britain and a further 170 children in Australia, Canada, New Zealand, and the US. The team was led by Britain
创新英语
Lesson 84 The Busy Bee 第84课 勤劳的蜜蜂 Have you ever seen a hive of bees? 你有没有看到过蜂箱? Some hives are made with glass sides, through which we can see all that the bees are doing. 有些蜂箱的侧面是玻璃的, 你可以透过
英国学生科学读本
模仿文本： That was a headline on September 5th, the end of the concept of junk DNA. Actually, geneticists had long abandoned the idea that our genomes are riven with all the rubbish. But what was once called junk was largely still unexplored. 译
英音模仿秀
《绝望主妇》原句： We have to get rid of the car. But we cant sell it. The police might find it, and there could be DNA. 单词词组讲解 Get rid of sth/somebody 摆脱 发音讲解 Get rid of 的t吞音，d连读 最后翻译: 我们必须把
小紫带你轻松学美剧
But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa
火星生命
Glucosamine - a glucose or galactose molecule with an amine group attached. see also glucuronic acid. Glucose - a molecule of great importance to life as it provides a ready source of energy for both
医务英语
Breaking news out of Taxas BigFoot is real according to a group of researchers.They call themselves the Sasquatch genome project and they released what they say is proof several never before seen short video clips of the legendary and very shy creatu
万花筒2013年
This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of
Scientific American(八)月
This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod
Scientific American(五)月
Acid 酸 Why does the lemon taste sour? 为什么柠檬的味道很酸？ It is because of the acid in a lemon. 因为柠檬里有酸。 Then what is acid? 那么什么是酸？ All substances with a sour taste are kinds of acid. 所有带酸味的物质
与美国小学生一起学英文第12册
建筑设计师们像自然借鉴灵感的创意比比皆是，比如著名的悉尼歌剧院，比如北京奥运会的主场馆鸟巢。可是你想象过，自然界的有丝分裂能带给设计师什么灵感吗？可不是什么长得像DNA一样
名人演讲视频
Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y
60秒科学
67 维生素C能否破坏DNA？ DATE=7-11-01 TITLE=SCIENCE REPORT - Vitamin C and DNA BYLINE=Nancy Steinbach (Start at 59
科技之光
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte
趣味英语
模仿文本： The Mona Lisa is gazed at by an average of 6 million people a year. Now scientists think they may have found the final resting place of Leonardo da Vinci's muse for the picture, and they want to open her grave to carry out DNA tests.
英音模仿秀
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
一条巷子，五户人家，外加八婆和熟女，就组成了全美收视冠军：Desperate Housewives。这部美剧不仅剧情跌宕起伏、帅哥美女遍地，而且还有很多地道的英语表达，我们一起来学习吧! 1. The bank
英语口语