[医] 唾液淀粉酶, 涎液素

[00:29.84]...刮脸 ...shave. [00:32.72]好 OK. [00:35.88]那个,过得很愉快,我们以后再见 Well, this has been lovely. Lets do it again sometime. [00:40.00]- 什么? - 很快,再见 - What? - Soon. Bye. [00:46.64]那个... So... [00:

发表于:2018-11-30 / 阅读(198) / 评论(0) 分类 听电影学英语-足球尤物

There is one thing that everyone on earth has in common. We all live, eat and breathe within the human body. For two years I’ve been exploring this unique dwelling place. I want to show you what I'v

发表于:2018-12-07 / 阅读(123) / 评论(0) 分类 生命物语

This is the VOA Special English Health Report. Countries across Asia and beyond are reporting small amounts of radiation from the disabled nuclear reactors in Japan. But officials say these levels are not a threat to public health. On Tuesday, Chines

发表于:2018-12-07 / 阅读(165) / 评论(0) 分类 2011年VOA慢速英语(三)月

Broadcast: Jan 21, 2003 U.S. researchers have discovered another breast cancer gene that may provide a new point of attack against the disease. The 1) molecule is common to many types of breast cancer

发表于:2018-12-08 / 阅读(131) / 评论(0) 分类 VOA2003(上)-科技先知

A passionate kiss shares much more than intimacy. A single 10-second smooch can transfer tens of millions of bacteria from one partner to the other. Thats the finding from a study in the journal Microbiome. [Remco Kort et al, Shaping the oral microbi

发表于:2019-01-02 / 阅读(80) / 评论(0) 分类 英伦广角

Basal lamina - a term used to describe the different layers which make up the basement membrane. These different layers of the basement membrane, the lamina lucida and lamina densa are only visible wi

发表于:2019-01-03 / 阅读(152) / 评论(0) 分类 医务英语

Microbiology - the study of the microscopic forms of life. Microfilaments - are the smallest filaments of the cytoskeleton. The filaments are made of hundreds of actin molecules, stacked in a line. Th

发表于:2019-01-03 / 阅读(128) / 评论(0) 分类 医务英语

Paracrine - cell messengers also called cytokines which are locally acting, produced by neighbouring cells or the extracellular matrix, as distinct from as distinct from endochrine or hormonal messeng

发表于:2019-01-03 / 阅读(176) / 评论(0) 分类 医务英语

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(132) / 评论(0) 分类 医务英语

Planktonic - a form of life style in which an organisms floats freely in a fluid without significant attachment or association with other living forms. Plaque is a film of bacteria in a matrix of sali

发表于:2019-01-03 / 阅读(167) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. People get malaria from Anopheles mosquitoes that themselves are infected with a protozoan parasite called Plasmodium. The mosquitoes do have immune sy

发表于:2019-01-08 / 阅读(142) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(159) / 评论(0) 分类 Scientific American(一)月

New Malaria Vaccine Passes Safety Test The fight against malaria may have taken a promising step forward with the latest tests of a new kind of vaccine, which aims to keep people healthy and prevent the infection from spreading. Most malaria vaccines

发表于:2019-01-13 / 阅读(109) / 评论(0) 分类 VOA标准英语2011年(九月)

According to Israeli scientists, tearful women are a turnoff to men. But how do women feel about men who cry? Researchers are soon to begin testing how women react to chemicals contained in the tears of men. Our reporter Li Dong has the details. Natu

发表于:2019-01-19 / 阅读(131) / 评论(0) 分类 世界各地新闻集锦

LINDA WERTHEIMER, HOST: In Nashville this weekend, there's an exhibition of masks, not the kind that are used to hide, disguise or play dress-up. These have been worn by people with head or neck cancer. The plastic and mesh masks are used during radi

发表于:2019-01-24 / 阅读(115) / 评论(0) 分类 英语语言学习

By Greg Flakus San Antonio, Texas 13 October 2009 Dengue carrying mosquitos According to the World Health Organization, there are around 50 million cases of dengue fever around the world every year. About two and a half billion people, two fifths of

发表于:2019-02-09 / 阅读(112) / 评论(0) 分类 VOA标准英语2009年(十月)

Saliva Protein Might Inhibit Intestinal Anarchy 唾液蛋白可能抑制肠道无序状态 Every day, you produce one to two liters of spit. It kick-starts digestion and helps you swallow. And it helps prevent bacterial infection in your mouth. 每天,

发表于:2019-02-14 / 阅读(106) / 评论(0) 分类 2018年科学美国人3月
学英语单词
-land
Adriamicina
afterbangs
Alfredia cernua
asterophyllite
auditory critical band
B. E. P.
backfit
bechtolsheim
bigler
biterhede
book and paper
bridge in bridge
broad loom
buoyant paddle
burn-up condition
candelaria fivrosa (fr.) muill. arg.
cartilago nasi lateralis
central interrupt register
cherfill
conproportion
cost of living indexation
decompacted
depth navigation
disowner
dungloe (dunglow)
dysorthography
electrolytic powder
ethridges
exchange arbitrage
feed-shaft
Gaulverjabær
GIing
gual
hardenability of steel
head-end ignition
high-strength wire
HL (hot line)
hydrostatic extrusion
immunological effect of irradiation
impacted cerumen
impedance drop
impot
Ingenika, R.
ISCM
jaghari
jnds
kat-
laser zenith vertical instrument
LeukotrieneC
licheniforminB
Ligusticum calophlebicum
linear array
livor
longeing
lupas
Mardorf
Marplon
massagin'
meatpacking
modulomenter
multi-statement
musterable
naffs
nigrifolius
no liability
official confirmation act
operation procedure
Oyster cards
Patagones, Partido de
paternity
petrol bunk
phonetic symbolism
positioning accuracy-coarse
primary dip
prohibition of direct transaction
pulvis cretae aromaticus
quadr
radioactive hydrogeology
rappeller
remetaphorizes
robot observation
roundtheclock
shift-worker
shipping economics
six-waier
Slavic race
spaciest
stack-gas desulfurization
start track
supercomputer
synocreate
talk to a brick wall
terminal for exciting current
thibetica
time and frequency analysis
to hold water
toll line
transfer function method
utan
virilise
wealthholding