单词：amphibian cell lines
单词：amphibian cell lines 相关文章
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雅思词汇真经
[00:03.68]astronomy astronomer biochemistry geophysics [00:11.40]天文学 天文学家 生物化学 地球物理学 [00:19.12]atmosphere solar system solar system [00:26.64]大气层 太阳的 系统 太阳系 [00:34.17]Big Bang violent solid explod
高中英语人教版必修
Friends and neighbors of army staff sergeant Robert Bales in Tacoma Washington say they are shocked by the accusation that he murdered 16 Afghan villagers last weekend in a sudden shooting spree.Cathy Holland lives near Bales',his wife and two childr
CNN2012年(三)月
This is Scientific America's 60 second science, I'm Sentay Graber, this will just take a minute. Magnifying glass, telescope, tiny tiny tape measure, these are the weapons with which researchers are fading it out to find the world's smallest frog.One
Scientific American(一)月
Magnifying glass, calipers, teeny tiny tape measure, these are the weapons with which researchers are fighting it out to find the world's smallest frog. One team just announced the discovery of the unaverage 7.7 millimeter p* which can sit comfortabl
Scientific American(一)月
Sidney was a 14-year-old boy with an interest in the sciences. One summer day he started his own investigations. With his 12-year-old sister Sophie in tow, he caught a large bull frog in a local pond. Sidney started his experiment with the amphibian,
英汉幽默故事选读
In so doing, I reached a frontier of biology so strange, so rich, 通过这样的方式，我来到一个非常古怪却又非常丰富的生物学领域， that it seemed as though it exists on another planet. 简直就像降临到别的星球一样。
TED演讲科学篇
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute Declining frog populations are considered an indicator of environmental damage. But new research finds that frogs might be doing even worse than we thou
Scientific American(八)月
From NPR News in Washington, I'm Lakshmi Singh. Terrorism is not being rolled out in today's shooting attack in Frankfurt, Germany that left two US airmen dead and two others wounded. President Obama says he is saddened and outraged. I want everybody
2011年NPR美国国家公共电台3月
HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher
健康与经济
A unique array of underwater listening devices stretches 3,000 kilometers along the west coast of North America to track marine life along the continental shelf. It's like giving fish a cell phone, says Pacific Ocean Shelf Tracking (POST) executive d
VOA标准英语2010年(九)月
AS IT IS 2016-02-16 Students Learn Hands-on With Animals 学生学习如何照顾动物 Talking birds, goats butting heads, and a giant tortoise that hangs out with chickens are all part of a living classroom. High-school students at the Career Cente
2016年VOA慢速英语(二)月
托福阅读文章常见题材思路及词汇 TOEFL阅读有一些常见高频题材，这些题材下面会有经常考到的固定词汇和思路，整理出来供大家分享。 生物类： 迁徙动物migrate 群居动物 social animal 独居动物
实用英语
President Bush says he will veto legislation that would relax restrictions on embryonic stem cell research. There is growing bipartisan support in Congress for changing those rules. 布什总统表示他将否决要求放松对胚胎干细胞研究限制
VOA双语新闻 Bilingual News
Science and technology 科学与技术 Splay-footed, not flat-footed 不是扁平足而是八字足 A new fossil shows that evolution does not always mean change 新发现的化石显示，进化并不总意味着变化 Palaeontology 古生物学 The
经济学人科技系列
Winding between Zhangjiajie's peaks, crystal clear mountain streams are home to what is perhaps China's strangest creature. This bizarre animal is a type of newt, the Chinese giant salamander. In China, it is known as the baby fish because when distr
英语听力：文化博览2008年
I dont have a landline in my apartment. And since I work from home, that means that I dont have a landline for my work either. I havent had a landline for almost four years now, and Im okay. While not everyone is in a position to get rid of his or he
阅读空间
托福听力背景知识：托福听力中有大量的专业及学术词汇，这些词汇大多依托于听力背景知识，如果考生能够事先了解一些托福听力的背景知识，对听懂听力对话及段子有很有帮助。 Darvinism
托福英语
Science and technology 科学技术 Invasive species 侵略性物种 Thorny questions 棘手问题 The ecological effects of buckthorn in North America 北美鼠李属植物的生态影响 CONSERVATIONISTS, being by definition conservative, usually v
经济学人科技系列