[网络] 细木工及木工

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(237) / 评论(0) 分类 新东方背诵文选

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(77) / 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(80) / 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(99) / 评论(0) 分类 2017年Scientific American(一)月

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(100) / 评论(0) 分类 原版英语小短文

They arrived, flushed and breathless, to find Jon seated on the sill, one leg drawn up languidly to his chin. 等她气喘吁吁地跑到目的地,却发现琼恩已经靠坐在窗棂上,一只脚无精打采地翘起顶着下巴。 He was watchi

发表于:2019-01-02 / 阅读(93) / 评论(0) 分类 冰与火之歌系列之《权力的游戏》

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(97) / 评论(0) 分类 英语小短文

[00:03.08]Unit 21 Human Biology Lesson 2 Brain Power [00:09.67]Exercise 2 Listen to a science lesson. [00:13.42]Use the strategies to complete the gaps [00:15.74]in this summary. [00:22.96]Right, the topic of today's lesson [00:25.59]is the brain. [0

发表于:2019-01-10 / 阅读(272) / 评论(0) 分类 北师大版高中英语模块7(选修)

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(174) / 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(120) / 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(126) / 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(101) / 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(89) / 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(116) / 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(139) / 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(140) / 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(87) / 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(66) / 评论(0) 分类 VOA常速英语2007年(十一月)

It's 365 days, 12 paychecks and one birthday. 一年有365天,发12次薪水,过一次生日。 But did you know in this time your body will produce enough urine to fill two bathtubs? 但你知道这段时间你的身体会产生足够的尿液来填

发表于:2019-02-01 / 阅读(105) / 评论(0) 分类 阅读空间

Are you concerned about your body image? These days, both women and men are surrounded by magazines and websites full of tips about dieting, exercise and fashion. Not to mention hairstyles! Gone are the days when all men had to think about was wearin

发表于:2019-03-04 / 阅读(126) / 评论(0) 分类 英语听力精选进阶版
学英语单词
accessory mammae
acidum carbolicum
adiabatic system
air conditioning requirement
Anta-Gel
Antaimoro
ashcake
aswind
aunt fucker
autodoping effect
autotropism
Bhunya
brackbrained
carcinoma of renal parenchyma
chemi
Chharra
chit chat
clear ... off
cluster bomb unit
confocal spherical reflector
cost of materials and inputs
countersink drill
curved laminated wood
decadences
Defloat
diadysite
Donja Lendava
dunnocks
e-strategy
economic dualism
effectiveness of classification
endwise skew
Eutamius sibiricus
expected wealth effect
family chamaeleontidaes
food value
frijoles
fructus citri
glycophospholipids
granivorous bird
green-eyeshade
gringoes
horrours
husband-wife privilege
igneous rock series
ingly
international ferry freight
Kāmārkhāra
laevis
level(l)er
lister bag
logical proofs
low lift blade grader
magnesia carbon brick
makwa
mariame
materials earmarked for unified distribution
media stream
medial basal segmental bronchus
millevoye
milliequivalents per liter
molindones
monophyric
NITC (not in this contract)
nonformulary
Notencephaly
o-fluoroiodobenzene
Onatchiway, Lac
paper insulated
passenger train
peake-devant
phenyl bromide
photovoltaic cells
polymer paint
private phototelegraph station
rebinding
regulating constant
River John
roll-in
sallele
Samuel Pepys
segment cylinder
self-awarenesses
sensitive tint
sicilianite (celestite)
slave protocol
smoke-eliminating car
social enquiry report
solid state camera
squirrel-cage screen
Steatornithidae
Suzhou-style decorative painting
thick-film/thin-film printing
tipping machine
toothtip
torit
von mises
WH-Etimycine
wimbly-wambly
wrong reasons
Yondok
zinefan