短缩茎

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

发表于:2018-12-12 / 阅读(258) / 评论(0) 分类 2018年VOA慢速英语(一)月

Why Dwarf Galaxies Lack Star Power In a study in the journal Nature, researchers show that the relative lack of star density in dwarf galaxies need not conflict with standard cosmological models if you include the blast effects of supernovae. Karen H

发表于:2019-01-02 / 阅读(305) / 评论(0) 分类 60秒科学

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

发表于:2019-01-02 / 阅读(302) / 评论(0) 分类 科技之光

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

发表于:2019-01-02 / 阅读(298) / 评论(0) 分类 2017年VOA慢速英语(十二)月

Once upon a time in Arabia there ruled a Sultan. He had a son. His name was Arfan. One of the courtiers was a witch. She hated the prince Arfan. So she poisoned the mind of the Sultan against his son. She said, You will be over powered by your son pr

发表于:2019-01-08 / 阅读(400) / 评论(0) 分类 一千零一夜英文故事

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

发表于:2019-01-08 / 阅读(279) / 评论(0) 分类 健康与经济

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

发表于:2019-01-09 / 阅读(334) / 评论(0) 分类 科技之光

FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today, we will tell about possible hope for children suffering from damage to their nervous system. We will also tell

发表于:2019-01-12 / 阅读(337) / 评论(0) 分类 2011年VOA慢速英语(二)月

Agriculture Report - In the Garden: Growing Blueberries 农业报道 - 蓝莓种植 This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 Blueberries are generally grown in northern climates with cool wi

发表于:2019-01-12 / 阅读(303) / 评论(0) 分类 2011年VOA慢速英语(十)月

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

发表于:2019-01-19 / 阅读(232) / 评论(0) 分类 VOA双语新闻 Bilingual News

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

发表于:2019-01-19 / 阅读(332) / 评论(0) 分类 世界各地新闻集锦

Im all for stem cell research. I know it is a huge issue at the moment. Lots of people dont like it. They say it is unethical and that it is playing God. Other people say we will create Frankensteins monster. Britain seems to be leading the world in

发表于:2019-01-24 / 阅读(324) / 评论(0) 分类 听一分钟英文-S

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

发表于:2019-01-25 / 阅读(444) / 评论(0) 分类 VOA常速英语2008年(二月)

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

发表于:2019-01-30 / 阅读(337) / 评论(0) 分类 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

发表于:2019-01-30 / 阅读(569) / 评论(0) 分类 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

发表于:2019-02-04 / 阅读(504) / 评论(0) 分类 英语新闻

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

发表于:2019-02-17 / 阅读(358) / 评论(0) 分类 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

发表于:2019-02-18 / 阅读(322) / 评论(0) 分类 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

发表于:2019-02-18 / 阅读(398) / 评论(0) 分类 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

发表于:2019-02-18 / 阅读(316) / 评论(0) 分类 英语单词荟萃
学英语单词
'Uthmānīyah
Ahead one port!
air-entrained concrete
ammine leach
astrodynamic constant
author-defined path
bayley infant neurodevelopmental screener (bins)
birthrates
blind tooling
body whorl
box type frame
bridge inspection
capital goods industry
coenosia trigonalis
colletotrichum higginsianum
command list language
compartment of uncoupling of receptor and ligand
counterset
defensive system
Dendroica coronata
diamond-backed
dichromic vision
dumbing-down
Ehrlichosis
emulsion shelf life
energy trading
enervate
enhancement factor of mass transfer
exchange volume
galapagos finches
glazed tile
glossiphoniids
glucokinin insulin
granitic finish
green-veined white
Guamanian
haboob
harp seals
heat storage medium
heiligenschwendi
herminio
history-dependent control
homogenist
huret
Hydropyrin
hypogaeums
inclination of satellite orbit
intractile
involute cam
ion detachment
Krakow
Leptostachya caudatifolia
letter security
macrogeographical
Majego
mancrofts
Marchaux
melzl
minerallic
mining disease
mogwai
mossyback
much to someone's relief
multiactuator
multiple graphs
Musculus adductor pollicis
new castle disease
non-silanized support
o & mn
offlines
organ-specific antigen
overy
particular map
pentecosties
phytochinin
podlets
preachiness
progging
pulseclock
pushing down
reddeneth
remanences
remarque proof
secondary air control valve
single shaft mixer
smouldering embers
smurfin'
soul-knell
speciality index
spontaneous lifetime
steam hydraulic shears
stuffily
suppression decaytime
tachometric sensor
tilt barriers
trapset
uteruses
ventiquattrofoglis
wellcrystallized
wheel lock gun
winlock
wood-sour