音标:[sel ˈbɔdi] ;
池体

a lot of [much or many] We had a lot of rain. carry out [to do; to put into effect] Please carry out the plan. pass a bill [approve] Congress is expected to pass a bill to cut taxes. take steps [to start to do something] The government will take step

发表于:2018-12-01 / 阅读(216) / 评论(0) 分类 VOA慢速英语1500基础单词例句

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2018-12-03 / 阅读(164) / 评论(0) 分类 初学者听力文摘精选

Head to the mountains, and if the steep trails don't slow you down, the thin air will. There's less oxygen up thereso strenuous activity can leave you dizzy, out of breathor worse. But even though you're beat, biochemical processes are already busy a

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 2017年Scientific American(二)月

Fish do drink water, but how they consume it depends on where they live. Water gets into a fishs body through osmosis, the process in which water diffuses from a higher to a lower concentration. 鱼儿确实喝水,但它们怎样喝水却取决于其

发表于:2018-12-28 / 阅读(99) / 评论(0) 分类 初学者听力文摘精选

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(183) / 评论(0) 分类 科技之光

From VOA Learning English, this is the Health Lifestyle report. If you have been meaning to add more exercise to your daily routine, you may want to start sooner rather than later. A 2018 study has found that a lifetime of regular exercise and activi

发表于:2019-01-03 / 阅读(158) / 评论(0) 分类 2018年VOA慢速英语(四)月

In Vitro - experiments which are carried out in a laboratory as distinct from in vivo experiments In Vivo -experiments which are carried out in live animals as distinct from in vitro experiments Immun

发表于:2019-01-03 / 阅读(144) / 评论(0) 分类 医务英语

SCIENCE IN THE NEWS - U.S. Scientists Find a Way to Create Embryonic Stem Cells With Adult Skin Cells By Cynthia Kirk, Nancy Steinbach, and Caty Weaver Broadcast: Tuesday, August 30, 2005 (MUSIC) VOIC

发表于:2019-01-11 / 阅读(145) / 评论(0) 分类 科技之光

A: Hello, so how are we feeling today? B: Things are going well for me, Dr. Smith. A: Am I correct in thinking that you are here for your annual physical? B: Yes, I am applying for new health insurance, and I need a physical examination to qualify. A

发表于:2019-01-11 / 阅读(152) / 评论(0) 分类 英语情景对话-健康

Woman Not Diabetic After Cell Transplant 妇女接受干细胞移植手术治愈糖尿病 A diabetic woman no longer needs to take daily medicine after she received a stem cell transplant. The daily insulin injection had helped control the amount of

发表于:2019-01-12 / 阅读(146) / 评论(0) 分类 2015年VOA慢速英语(九)月

听力部分 Dictation: Please prepare your paper and pen. ______ knows ___ and ____ the ________ _______ _______________________ of ______. But ________ people were __________________. Today _________________________that ________________________ is,

发表于:2019-01-14 / 阅读(108) / 评论(0) 分类 王强口语 第二册

今天我们要学的词是borderline。 Borderline, 边缘地带的。美国总统奥巴马检查身体发现,His cholesterol level is borderline high, 他的胆固醇指标介于偏高的边缘。 The snowboarder tried a move that was borderline

发表于:2019-01-16 / 阅读(125) / 评论(0) 分类 英语每日一词

今天我们要学的词是borderline。 Borderline, 边缘地带的。美国总统奥巴马检查身体发现,His cholesterol level is borderline high, 他的胆固醇指标介于偏高的边缘。 The snowboarder tried a move that was borderline

发表于:2019-01-16 / 阅读(113) / 评论(0) 分类 英语单词荟萃

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2019-01-26 / 阅读(119) / 评论(0) 分类 英语听力文摘 English Digest

By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app

发表于:2019-01-31 / 阅读(159) / 评论(0) 分类 2007年VOA常速英语(十月)

By Carol Pearson Washington 09 April 2008 Diabetics have a greater than average chance of having a heart attack or stroke. But new research indicates that lowering blood pressure and cholesterol below recommended guidelines seems to reduce these risk

发表于:2019-02-03 / 阅读(132) / 评论(0) 分类 VOA常速英语2008年(四月)

Turn Off Your Cell Phone 关掉你的手机 We went to the movie the other night. I sat in an aisle seat as I usually do, because it feels a little roomier. Just as the feature was about to start, a blonde from the center of the row got up and starte

发表于:2019-02-07 / 阅读(262) / 评论(0) 分类 趣味英语

Science and technology. 科技。 Medical implants. 医用植入设备。 A sweet idea. 一个甜美的想法。 Researchers are trying to harness glucose-the body's own fuel-to power implantable gadgets such as pacemakers. 研究人员正试图利用葡

发表于:2019-02-18 / 阅读(180) / 评论(0) 分类 经济学人综合

Our bodies are amazing. Although things go wrong at times, it's remarkable they work at all when one considers the complexities of their operation. Don and Ya?l present some awards to a few of the outstanding components. [APPLAUSE] D: Good evening, Y

发表于:2019-02-23 / 阅读(106) / 评论(0) 分类 英语时差8,16

How Cells Get Around 漫步的细胞 A major reason why many cancers are so dangerous is that they metastasize . This means that instead of staying in one place, the cancer cells migrate from their original site to other parts of the body. No wonder

发表于:2019-02-24 / 阅读(112) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
adultcentrist
Andrézieux-Bouthéon
antorbital process (or preorbital process)
avocationally
bicmos
branchiogenous
carabe
carrier sense multiple access with collision resolution
cathode ray tube spot scanner
catodic attack
cornu (pl. -nua)
coronary thiombosis
crosspointer instrument
Cryptozoic Eon
decontamination system water heater
delinquence
denudation plane
digital storage system
dislocation climb model
dissociation recombination
double-dereference
double-heartedness
entangel
examinational
exponential service
forsook
four sheets to the wind
frohntoclypeus
galatur
germacrene-B
grant-forward
greiter
Hammond organ
heteropleural transplantation
hexad
kolpik
Lepidosaphinae
light-pen control
line flooding
localized negative charge
Lone Star tick
Longformacus
lumbosacral spondylolisthesis
M.Ch., M.Chir.
marble board
mastiche
melted-glass lining
meteorium subpolytrichum horikawa
multi-instrument
name of buyer or payee
navy publications
neillia serratisepala l.
Neolitsea obtusifolia
nerd magnet
neutron-induced fission
newsgroups categories
one's own lookout
open roller chock
optic segment
oxalis tetraphylla cav.
paperhood
parallactical
penalisings
Peqin
phogrin
pit of stomach
posterior dichotomy
privatizations
public hall
Raundal
reacher-in
resource constraints
rubber boot
salt cellar
satellite cloud picture analysis
sealed pore
shell galaxy
shipbuilding hall
show cause
standalone
statement label expression
swiezy
Tacoronte
take on faith
Tan Phu
thermal radiation destruction distance
town refuse
transition diagram
turbine blades
unilaterally tear up an agreement
unit time study
up train
Ustyuzhna
vena tibialiss
venenosalivary
vouches
waste management
water-source survey
wirerope transportation
workins
yanniss