单词：the lower portion of the stem
单词：the lower portion of the stem 相关文章
[00:02.09]购物 [00:04.18]At a grocery [00:06.01]在杂货店 [00:07.84]A: Excuse me, do you sell apples? [00:10.32]A：请问，你这有苹果卖吗？ [00:12.80]B: Yes. They are over there. [00:14.62]B：苹果在那边。 [00:16.43]A: Do you sel
零距离李阳疯狂英语口语
Ali and Abraham were brothers. Their mother died very early. Their father also died after some time. He left for his sons a cow and a date-tree. Ali was cunning. He was greedy too. Abraham was kind and honest. He trusted his elder brother. They wante
英汉幽默故事选读
[00:21.20]The Shadow [00:25.15]影子 [00:31.55]In late August of 2002 [00:34.33]I moved into a two-floor apartment in a small town [00:38.81]about 30 minutes south of Greensboro, NC [00:42.61]where I was attending college. [00:45.79]My ex-girlfriend h
英语灵异故事
Most college students in the United States choose their major, or main field of study for their degree, before or during their first year. For Saskia Fagan, making that choice was not easy. Fagan, who is now 31 years old, grew up in Takoma Park, Mary
2018年VOA慢速英语(一)月
Rwanda Invests in STEM Education for Girls Yvonne Kevia is an 18-year-old high school student in Rwanda. She wants to become a chemical engineer. She enjoys doing experiments and taking careful notes in her high school laboratory in Kigali, Rwandas c
2017年VOA慢速英语(十二)月
This is Scientific American's 60-second Science. I'm Cynthia Graber, this will just take a minute. Americans have gained a lot of weight in the past few decades. Is it our sedentary lifestyle? The increase in processed foods and sweeteners? Supersize
Scientific American(五)月
SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I
科技之光
Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use
世界各地新闻集锦
By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds
VOA常速英语2008年（二月）
> 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
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
用简单英语谈生意－售后服务篇 A： Yes， may I help you？ B： We had a damaged shipment from you. A： Well look into it right away for you. A：有什么事吗？ B：你们送来的货有损坏。 A：我们会立刻调查清楚。
实用英语
By Nico Colombant Dakar 11 April 2008 Governments across West Africa are working hard to avoid more protests about the soaring cost of living. As VOA's Nico Colombant reports from our bureau in Dakar, governments are reducing prices where they can an
VOA常速英语2008年（四月）
By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia
VOA常速英语2007年（十二月）
Japan's government and the country's central bank took action Thursday to dilute the yen. The Japanese currencys strong standing against the dollar is making exports more expensive, hurting efforts to revive the country's moribund economy. After many
英语新闻
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
今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表
英语单词荟萃
unit 350 运输损坏交涉（2） dialogue 英语情景对话 A:Just whose fault is this damage? A:这次的损坏究竟是谁的责任呢？ B:The order was in good shape when it left out factory. B:货出厂时都是完好无缺的啊。 A:It cert
高频英语口语对话