音标:['hɑ:fsel] ;
n. [物化] 半电池

Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only withi

发表于:2018-12-01 / 阅读(254) / 评论(0) 分类 新东方背诵文选

这次节目里我们要讲的两个习惯用语都有一个关键的字。那就是:Half. Half就是什么东西,什么份量或重量的一半。我们今天要讲的第一个习惯用语是:H

发表于:2018-12-01 / 阅读(151) / 评论(0) 分类 美国习惯用语

Evidence is seen for a possible cause of solid tumors, but many questions remain. Transcript of radio broadcast: 24 June 2008 This is the VOA Special English Health Report. Some experts predict that doctors will someday use stem cells to treat many

发表于:2018-12-15 / 阅读(96) / 评论(0) 分类 VOA慢速英语2008年(六)月

An international team of scientists at a U.S. university is investigating whether 'cooking' cancerous tumors using tiny nanoparticles in a magnetic field might be an effective and useful treatment. Preliminary findings suggest they may be on the righ

发表于:2018-12-16 / 阅读(100) / 评论(0) 分类 VOA标准英语2010年(十一)月

Long ago, before BandAids, or even medicine of any kind, our ancestors evolved to heal cuts themselves. If you got sliced open, the body blocked it up, to prevent blood loss, water loss, infection. But as we gained that powerwe sacrificed something e

发表于:2018-12-24 / 阅读(119) / 评论(0) 分类 2017年Scientific American(一)月

Are you always out with your other half? Jo: Welcome to Real English from BBC Learning English. I'm Jo and with me today is Lily. Lily: Hello there. 很多听众都熟悉我们的地道英语,这个节目专门向大家介绍英式英语中最流行的词汇和成语,其中很多都是字典上

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 地道英语在线听

Norm woke up to go to the bathroom. He looked in the bathroom mirror. That bump used to be smaller. It was on the side of his nose. The bump looked puffy. He touched it. It wasn't hard. It didn't hurt. It wasn't a different color. Maybe it was just s

发表于:2019-01-02 / 阅读(123) / 评论(0) 分类 原版英语小短文

英语短文:Cells and Temperature Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems of mammals and birds are most efficient only within a narrow ra

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 英语小短文

By Efam Dovi Accra 23 August 2006 In Ghana, a high court in the capital Accra Tuesday sentenced five robbers to more than 300 years in prison in what the police say is a clear sign the country is taking violent crime seriously. The spate of armed ro

发表于:2019-01-11 / 阅读(201) / 评论(0) 分类 2006年VOA标准英语(八月)

By Carol Pearson Washington 27 March 2007 watch Heart Stem Cell report It is being hailed as a major medical breakthrough: cardiologists are using adult stem cells, not the controversial embryonic stem cells, to rejuvenate the hearts of patients who

发表于:2019-01-11 / 阅读(140) / 评论(0) 分类 2007年VOA标准英语(三月)

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(148) / 评论(0) 分类 2011年VOA慢速英语(二)月

'Serial Killer' Cells Demolish Leukemia Tumors U.S. researchers say they've been able to modify a patient's immune system T cells, turning them into serial killer cells which zero in on cancer and obliterate it. Its being called a breakthrough in the

发表于:2019-01-14 / 阅读(121) / 评论(0) 分类 VOA标准英语2011年(八月)

Volunteers Help Scientists in Search for Cheap Solar Cells Most of today's solar cells are silicone-based and their manufacture requires sophisticated machinery and expertise. An average home in the United States uses between 20 and 24 kilowatt hours

发表于:2019-01-14 / 阅读(112) / 评论(0) 分类 VOA标准英语2013年(七月)

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(136) / 评论(0) 分类 世界各地新闻集锦

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(161) / 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(164) / 评论(0) 分类 科技之光

HEALTH REPORT - Fetal Skin Cells May Treat Burns By Caty Weaver Broadcast: Wednesday, September 21, 2005 I'm Shep O'Neal with the VOA Special English Health Report. A method tested in Switzerland may

发表于:2019-01-30 / 阅读(102) / 评论(0) 分类 健康与经济

By VOA News 20 November 2007 Two separate teams of scientists say they have transformed ordinary human skin cells into ones that look and act like embryonic stem cells. Laboratory teams at universities in the United States and Japan Tuesday announced

发表于:2019-01-31 / 阅读(88) / 评论(0) 分类 VOA常速英语2007年(十一月)

清新民谣:Half Acre 还是HEM,这个有着淡然嗓音女主音的indie民谣乐队。这首Half Acre出自他们第一张大受好评的专辑Rabbit Songs,曾被一家保险公司选作广告歌。一如既往的清爽民谣风,听在耳朵

发表于:2019-02-06 / 阅读(123) / 评论(0) 分类 流行英文歌曲

音乐咖啡厅:蓝调绅士John Mayer Taylor Swift (Half Of My Heart) Artist:John Mayer Taylor Swift Song: Half Of My Heart I was born in the arms of imaginary friends free to roam, made a home out of everywhere I've been then you come crashing in,

发表于:2019-02-06 / 阅读(225) / 评论(0) 分类 音乐咖啡厅
学英语单词
absorbency curve
acrylate jacket crown
administration and operation cost
aeronutical acoustics
animal morphology
applied nuclear physicochemistry
area forecast center
baalist
bad'un
bedded in
body mass
book of hours
bourdichon
capacity education
Castletown Bere
Cheadle Hulme
chrysopicrin
colloidal gels
complex utility routine
concertos
control grid
Cyclobalanopsis thorelii
drainage (age) line
draw drafts
dual-catalyst system
e-bank
eastneys
estrus time
facial arch
farm ... out
fixed seamark
forcible
gnomonics
grandidier
gregariella splendida
head fake
high-power modulation
huntsman spiders
imaginary constant
incremental type
information utility theory
inside forward inside back rockers
intestinal parasite
journal-box lid
Kjφllefjord
Kobyla Góra
kolong
Kukenaam
letterset printing machine
loxoconcha uranouchiensis
Makwānpur Garhi
many dimensions
mapping equipment
Mastodonsaurus
Mont Fleuri
montanine
movable die plate
neck-beef
net borrowings
non-halal
novatel
oil cup cap
olesicampe geniculata
ophthalmospectroscopy
P-Lim
passivizers
personal project
prein
principle of value
protostellar disk
pseudo-random sequence generator
psychiatrize
Rahola
Ramon, Har
rapheless
reared torque
reflexive Banach space
risk of invalid model
safety current of detonator
scatternet
schmidbauer
schwichtenberg
self-accurate area simulation
setting-in period
signal flags
significance of difference
small calss
taper pipe tap
tartaryne
tightroping
tip somebody off
to flood dock
to hit the spot
tongueless frogs
transistor-resistor logic
value of property salved
valve position flow characteristic
variable capacity amplifier
werssle
white hole
xylidinic acid
yippee