唾液核

[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(227) / 评论(0) 分类 听电影学英语-足球尤物

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

发表于:2018-12-01 / 阅读(428) / 评论(0) 分类 历年考研英语阅读理解

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(165) / 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(178) / 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(156) / 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(101) / 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(175) / 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(150) / 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(215) / 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(160) / 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(194) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(199) / 评论(0) 分类 Scientific American(八)月

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(170) / 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(192) / 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(134) / 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(161) / 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(170) / 评论(0) 分类 英语语言学习

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(177) / 评论(0) 分类 托福英语

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(134) / 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(123) / 评论(0) 分类 2018年科学美国人3月
学英语单词
abhorrers
across corner view
alligator
anti-aristotelian
apivore
Araria
at a lick
balling intersecting gill box
bartizan
bicathode
bifid rib-basal cell nevus-jaw cyst syndrome
bilimix
Bodelshausen
business-to-consumer
capillanene
capitalist planned economy
capitulum ulnae
ceratina (ceratinidia) okinawana taiwanensis
circular knit hosiery
clerk 's office
collation map
conditioned learning
constricted ear
control valve support operating link
convex ridging body
coryphaenoides asper
crapper wave
Datanil
depliator
devanning report
drug-development
earbow
eiaminodiphenylether
emulsion explosive
endoscopic injection therapy
exhaust steam preheater
extraneous flux
farmstay
flag code
fly spray
four coordination
frontogenetic function
giant cell
Granville's hammer
H radar
Halichondrida
high-precision tube
Hooge Zwaluwe
Hornsey
hour curve
human tolerance flux
hydrational
importe
lark-song
level infection
lipoic acid
long sea
low voltage communication circuit
magnetic core switching time
major leak
material detail record
methane-telluronic acid
mortising bit
motor transport auxiliary produc tion cost
muriform
Neolitsea hiiranensis
non-achiever
non-spotted schist
off ground
ofri
on the up-and-up
open-end mutual fund
operating inferiority
panophthalmia
pericardial knock
pervious embankment
preclusive
prepositioned war-reserve
regroove
remixt
robodog
rosulate
Santa Clara, R.
Saxifraga filicaulis
schema circuit
separate power supply system for car
skatogyl-sulfuric acid
slatiest
spring gauze
stonehard
string instrumentalist
tapered shank
transpersonally
trideoxynucleotide
truck platoon
turnover of material in stock
twinters
typical feature of simulated processes
tyre for motorcycle
Umbellularia
wadger
water channel of gill