干扰素γ-1b

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The plague is most famous for killing tens of millions of people all over Europe in the 1300s. Plague is caused by the bacteria Yersinia pestis. And th

发表于:2018-12-24 / 阅读(134) / 评论(0) 分类 Scientific American(八)月

He is immune to chickenpox, he had it as a child. 他对水痘免疫,他小时候就得过了。 immune表示免疫的,immune system就是指身体的免疫系统;而对...有免疫力就用be immune to...这个词组。

发表于:2018-12-25 / 阅读(137) / 评论(0) 分类 蒋健棠英语实用句子

今天要讲的惯用语里有个共同的词act。这真是个多义词,但是我们的时间有限说不了那么多,所以今天要说到的act都有表演的意思。比方说,我们要学的第一个习惯用语是:class act。 Class这里

发表于:2019-01-11 / 阅读(194) / 评论(0) 分类 美国习惯用语

By Margaret Besheer United Nations 25 September 2007 An unprecedented summit on climate change has ended at the United Nations. Secretary-General Ban Ki-moon says the event has sent a powerful political signal to the world that there is the will and

发表于:2019-01-11 / 阅读(200) / 评论(0) 分类 2007年VOA标准英语(九月)

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we talk about a sickness called lupus and other autoimmune diseases. Autoimmune diseases affect the immune system the body's

发表于:2019-01-11 / 阅读(143) / 评论(0) 分类 VOA慢速英语2009年(四)月

Researchers have developed an improved version of the smallpox vaccine that can be combined with a vaccine against anthrax. The dual vaccine represents a significant scientific achievement as well as a possible improved defense against biological att

发表于:2019-01-14 / 阅读(184) / 评论(0) 分类 VOA标准英语2010年(十)月

Study: Immune System Weakens in Space During the final flight of the US space shuttle Atlantis in the summer of 2011, one of the most important pieces of scientific cargo on board was a medical experiment designed to test how the human immune system

发表于:2019-01-14 / 阅读(154) / 评论(0) 分类 VOA标准英语2013年(四月)

今天分享的是柠檬水的妙用。 重点词汇 immune system 免疫系统; potassium n.化钾; freshen vt.使新鲜; 使清爽,使有精神,把(自己)盥洗一番; 1. Gives your immune system a boost. 2. Excellent source of potassium.

发表于:2019-02-02 / 阅读(161) / 评论(0) 分类 卡卡课堂早餐英语

今天我们要学的词是immune。Immune, 的意思是免疫的,比如,immune system就是指免疫系统, immune disease则是免疫系统疾病。Immune还可以指免除的,不受影响的. Apple's OS X, which has long been considered immu

发表于:2019-02-06 / 阅读(118) / 评论(0) 分类 英语单词荟萃

Developing countries in Africa are bracing for serious setbacks in their economies. One of the countries that may feel the effects of the downturn more acutely than others is Kenya, which suffered months of political unrest earlier this year. VOA Co

发表于:2019-02-06 / 阅读(120) / 评论(0) 分类 VOA标准英语2008年(十月)

BEIJING, March 24 (Xinhuanet) -- A new study has found that Actos, a medicine treats onset diabetes, could also reduce the diabetes(糖尿病) risk in people with prediabetes. The study, which was published Wednesday in New England Journal of Medicin

发表于:2019-02-07 / 阅读(263) / 评论(0) 分类 英语新闻

图片1 图片2

发表于:2019-02-10 / 阅读(202) / 评论(0) 分类 加州英语分级G1

图片1 图片2

发表于:2019-02-10 / 阅读(210) / 评论(0) 分类 加州英语分级G1

图片1 图片2 图片3

发表于:2019-02-10 / 阅读(169) / 评论(0) 分类 加州英语分级G1

图片1 图片2 图片3 图片4 图片5

发表于:2019-02-10 / 阅读(188) / 评论(0) 分类 加州英语分级G1

He wanted Amelio to help him return to Apple as the CEO. 他想让阿梅里奥帮助他回到苹果担任CEO。 There's only one person who can rally the Apple troops, Jobs said, only one person who can straighten out the company. 只有一个人可以

发表于:2019-02-22 / 阅读(142) / 评论(0) 分类 乔布斯传
学英语单词
accessor function
acoustic design
air ambulances
AL5
aspheterism
be getting hot at
bergamasca (italy)
beta-erythroidine
biochemical function of cells
black-leg
buckoes
business income taxes
cable muff
calm before the storm
Charpy's alloy
Chiliba
cobalt nickel pyrite
complement on one
complex-wave generator
container insurance
counterpoise bridge
cover-picture
cultivation lighting
custrels
cyclic yawing
Deinanthe caerulea
demonicraty
dielectric layer
DPBS
drogueries
e.on
ejector port
electronic-tuning hysteresis
elimination major element method
emergency radiobeacon
EPP IEEE standard
fault location in fiber link
form-line contour plot
goal of native mode
goste
graded nets
ground water engineering
hardees
hydraulic shovel
Hève, C.de la
ICAI
indivisibly
inserted piece
internal force
kick sb downstairs
kjedahl flask
liturgist
meperidine
Millungera
moyenau
muelleriuss
multiresource
neutron power level
non-interlaced scanning
notekeeping
obstruction of police
obtrectator
operating holding company
orsure
pass-band filter
past month
Peak District
peaw
phosphatic sediment
phylae
Pikermi
positive-pressure cabin
postal money transfer
pressure-enthalpy chart
rare - earth metal
ring off the telephone
rodenbeck
rose diamond
run-on time
sales promotion network
sarkesian
scaling factor switch
search record
senecioic acid
slow reacting cell
sprangly
stable period
stand sb. in good stead
standard test condition
status date
stress-space
sum rule
supply routes
take a telling
tape reproducer
target of observations
terrordomes
Tillicoultry
ungraph
watershed-scale
wire clip
Zanclean Age