[计] 树干

A Rose By Any Other Name Just saying the word rose conjures up images of romance, secret admirers, Valentines gifts, and bridal bouquets. Romantics imagine soft, red petals and long, graceful stems, but practical gardeners know all about painful, poi

发表于:2018-12-05 / 阅读(152) / 评论(0) 分类 英语听力文摘 English Digest

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(144) / 评论(0) 分类 2018年VOA慢速英语(一)月

Just saying the word rose conjures up images of romance, secret admirers, Valentines gifts, and bridal bouquets. Romantics imagine soft, red petals and long, graceful stems, but practical gardeners know all about painful, pointy thorns. As the saying

发表于:2018-12-18 / 阅读(149) / 评论(0) 分类 2018年NPR美国国家公共电台2月

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(217) / 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(189) / 评论(0) 分类 2017年VOA慢速英语(十二)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

发表于:2019-01-08 / 阅读(190) / 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(186) / 评论(0) 分类 科技之光

Stem 茎 A stem is a part of a plant. 茎是植物的一部分。 It helps to hold up the flower. 它帮着支撑花朵。 It also moves water from roots to leaves. 它也能把根部的水运输到叶子那里。 What is the tallest tree with the ta

发表于:2019-01-10 / 阅读(162) / 评论(0) 分类 与美国小学生一起学英文第2册

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(213) / 评论(0) 分类 2011年VOA慢速英语(二)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(147) / 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(196) / 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(218) / 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(347) / 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(221) / 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(245) / 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(344) / 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(214) / 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(188) / 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(252) / 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(220) / 评论(0) 分类 英语单词荟萃
学英语单词
2-hydroxypropandioic acid
amniogenic cell
analectic
antiacademic
at-will employee
aviation accident
base terms
bide one's time
blankoff flange
blow out sb.'s brains
boiled meat
break the mould
bronzish
butt resistance welder
can be saved
cappies
castability test
check with construction
chlorethanol
class Ginkgophytina
closed-circuit lubrication
commit ... to
conformal curvature
counterslope
crounse
cw doppler radar
cyberwar
dadaist dance
dendrolite (dendrite)
dioscorea pertaphylla l.
dip coat
early voters
epoxy ethane fumigation
Equus quagga
filamentule
fuckpole
geared retractor
geoglossums
gonse
heptacosa-
hynd
hyperclean
J D Wetherspoon
lacing hole
lambres
lightweight laser designator
loaded condition
loan service
locating bolt
MacAlley
makeaway
metallic lacquer
metallic shot
miscellaneous revenue
misrouting
moisture-absorbing fibre
nambla
negative hologram
niotha livescens
nondeclarative memory
open shelter deck
paedatifid
parallels of latitude
peke, Peke
Proffered service stinks.
Propylpentanoic
puff paste
radioactive hazard
radix compliment
ragequitters
religiomania
Rosepine
row decoder
sangays
septum of musculotubal canal
settra
sits on
soberised
solid-liquid transformation
Solovian
stagoscopy
stereochemical formula
Stewarts organ
stiff asters
subgenital lamina
surgical current
temporary disk
tert.-butyl pyrocatechol
testify to
tho'
three-missile-to-a-site complex
to keen bad hours
tooth foundation angle
Ts'khneti
uneven sided manner
unwaking
value of retail trade
viliform
Westgat
windshield time
wurzburger
XB (cross bar)