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(294) / 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(223) / 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(314) / 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(346) / 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(297) / 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(350) / 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(271) / 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(296) / 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(216) / 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(271) / 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(502) / 评论(0) 分类 英语新闻

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发表于:2019-02-10 / 阅读(324) / 评论(0) 分类 加州英语分级G1

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发表于:2019-02-10 / 阅读(330) / 评论(0) 分类 加州英语分级G1

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发表于:2019-02-10 / 阅读(299) / 评论(0) 分类 加州英语分级G1

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发表于:2019-02-10 / 阅读(320) / 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(276) / 评论(0) 分类 乔布斯传
学英语单词
4th grade
Acinos
albuminometry
Amsco G
apicectomy
baptisings
bastardsword
boulderers
bumpkins
calf girth height
callistocythere undulatificialis
caprylyl acetate
cast stone finish
castratory
chapati
characteristic mapping
chemistry of concrete
chrome silica brick
cock rockets
command-control program
complete discharge
counter credit
cska
cutting life
dlsi
entry point
Estiva, R.da
francks
gabbay
gas-filled thyratron
gazetteer index
generator control panel
gets
goods which conform with the contract
grating groove
grog-blossom
ground-driven rotary harrow
groundsel trees
Gymnosorus
hanseatic leagues
impedition
impolsive level
installation guide
job master
kassirer
kicking strap
kurchicine
lennans
malthinellus crenulatomimus
mechanical alignment retention
mertrix lusoria
millson
mollic planosols
multitrackers
musicalnesses
Mututu
naval architecture
NCRR
niter cake
non-fertile reflector
oh (hydroxyl)
organic-cooled
palace physician
parepithymia
parik (armenia)
pass set-up
patent drier
Patrinia scabiosaefolia Fisch.
pauw
Philips gauze
playacting
Processus vaginalis testis
prodophytium
pruritions
pulsed radar system
pyrozone
radiation theory
reduction distillation
refractariness
rubific
saint johnss
SARDET
separate estates account
serpent grass
state of strain
stock clearing account
structural joint gap
subordinal
superfraction column
supermarket banking
surgeon cap for women
tarryall
Tekom
tie-breakers
Tripiti, Akra
turn screw at sb.
ultrastrength material
unstated
voltage-synthesizing microprocessor
wagenseils
wear ship
Yenge