无特定病原群

THE SWINEHERD There was once a poor Prince, who had a kingdom. His kingdom was very small, but still quite large enough to marry upon; and he wished to marry. It was certainly rather cool of him to say to the Emperor's daughter, Will you have me? Bu

发表于:2018-12-06 / 阅读(214) / 评论(0) 分类 安徒生童话

ROBERT SIEGEL, HOST: There are museums, and then, there are wonderfully specific museums. We're talking about such institutions as the American Toby Jug Museum, the German Watering Can Museum and, of course, the U.S. National Tick Museum. All of thes

发表于:2018-12-18 / 阅读(152) / 评论(0) 分类 2017年NPR美国国家公共电台6月

So let's go back in time, back 13,000 years to relive one day in the life of North America's great ice age plains. It's early morning at the end of a long, hot summer. Even major rivers are beginning to run low. Colombian mammoth herd follows the riv

发表于:2018-12-27 / 阅读(152) / 评论(0) 分类 探索与发现2012年

034 The Swineherd Prince Long ago, there was a handsome prince in a country. He loved a princess of his neighboring country, but she was haughty and stubborn. I don't want to marry just a normal guy. The prince gave her a beautiful rose and a bird as

发表于:2018-12-31 / 阅读(282) / 评论(0) 分类 100个儿童英语小故事

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? If you're too tired to think straight, it might be because parts of your brain are already asleep at the wheel. A team of neuroscientists from Washington State Unive

发表于:2019-01-08 / 阅读(135) / 评论(0) 分类 Scientific American(十一)月

我们今天再来给大家讲解两个以free这个字为主的习惯用语。首先我们要讲的是:Free and easy. 大家都知道,free是自由,或者是不用花钱就得到的。大家也可

发表于:2019-01-08 / 阅读(214) / 评论(0) 分类 美国习惯用语

Human Waste Killing Caribbean Coral In the first documented case of a human pathogen infecting a marine species, U.S. scientists say a bacterium in untreated human sewage is killing coral along the Florida coast and in the Caribbean Sea. The finding

发表于:2019-01-11 / 阅读(145) / 评论(0) 分类 VOA标准英语2011年(八月)

Using the Right Article What word appears most often in English? It's the, also known as the definite article. Its partner, the indefinite article a, is also among the top 10 most frequent words in English. According to Professor Elka Todeva of the S

发表于:2019-01-12 / 阅读(139) / 评论(0) 分类 2016年VOA慢速英语(三)月

An international team of researchers looking for the cause of severe bacterial epidemics has deciphered the genome of group A streptococcus, a normally harmless sore throat pathogen that occasionally turns deadly. Experts say the breakthrough could s

发表于:2019-01-13 / 阅读(196) / 评论(0) 分类 VOA标准英语2010年(一月)

李华正在兴致勃勃地给Larry将她去看医生的经过,没想到被Larry泼了一盆冷水。李华今天要学两个常用语,TMI和PDQ 。 LL: Oh, Li Hua, that is really TMI. I'm sorry you had to go to the doctor, but I really don't wan

发表于:2019-01-15 / 阅读(123) / 评论(0) 分类 美国之音《流行美语》

For our 10th anniversary my wife and I vacationed in Hawaii, where we went snorkeling. After an hour in the water everyone got back on the boat, except for one beautiful young woman and me. As I conti

发表于:2019-01-29 / 阅读(161) / 评论(0) 分类 趣味英语

It seems like everyone is using Twitter these days. You know, sharing little messages with each other on phones and computers. It turns out that all these little messages, if you look at them all at once, become an easy way to find people, news and t

发表于:2019-02-05 / 阅读(120) / 评论(0) 分类 英语万花筒

According to Ric Edelman, author of Ordinary People, Extraordinary Wealth, the purpose of a rsum is not to get a job, it's to get an interviewyou will get the job. A rsum should not list all your skills, but rather tease the employer with your achiev

发表于:2019-02-06 / 阅读(158) / 评论(0) 分类 实用英语

Chapter 35 The Mediaeval city 第三十五章 中世纪的城市 Why the people of the middle ages said that city air is free air 为什么中世纪的人们会说,城市的空气是充满自由的空气。 The early part of the Middle Ages had bee

发表于:2019-02-13 / 阅读(147) / 评论(0) 分类 美国学生人类历史

natality 生育 fertility 生育率 fecundity 生育能力 birth rate, natality rate 出生率 births 出生人数 parity 胎次 premature birth 早产 life birth 活产 stillbirth 死产 birth peaks 出生高峰 mortality 死亡 mortality rate 死亡率

发表于:2019-02-18 / 阅读(174) / 评论(0) 分类 实用英语

The purpose of a letter of applicationis to help the applicant obtain the job he is interested in. It should state clearly what position the applicant wants, and should tell what his abilities are and what he has to offer. It should provide a quick,

发表于:2019-02-18 / 阅读(175) / 评论(0) 分类 实用英语

1. Tell me about yourself! 对策:Keep your answer to one or two minutes; don't ramble. Use your resume summary as a base to start from.. 2. What do you know about our company? 对策:Do your homework before the interview! Spend some time online

发表于:2019-02-18 / 阅读(232) / 评论(0) 分类 实用英语

本期内容: American scientists announced that they had cloned the Zika virus. This is an important stage in producing a safe version of the pathogen to be used in a vaccine against the mosquito-borne illness, which has been linked to brain defor

发表于:2019-03-02 / 阅读(187) / 评论(0) 分类 夏说英语新闻晨读

有人常会觉得小孩子学语言学得比大人快,为什么呢?因为小孩子学语言不像我们死记文法,苦背单字。他们就是用所谓的pick up,看在什么场合,别人用什么字,就一个一个把它记下来。这样

发表于:2019-03-05 / 阅读(196) / 评论(0) 分类 英语口语

Larry告诉李华他连续几天给他哥哥打电话,可是总也找不到他。 LH: Larry, 你那么急着找你哥哥,有要紧的事吗? LL: No, not really. I just want to chit chat. LH: Chit chat是什么意思啊? LL: To Chit Chat is to t

发表于:2019-03-12 / 阅读(256) / 评论(0) 分类 英语口语
学英语单词
absolute scarcity
adaptive linear combiner
air fuel ratio
assonances
baseball Annie
bloodsucker
blotted
brushless AC generator
bulletining
C.M.A.
cardiovascular scintiphotographic method
de-briefed
Default program
dingledorf
Doomadgee
duct engine
dynamic constant
E-sign
eddy meter
effects bus 1
end to-end communication
eotetranychus maai
Epocryl
erotization
experimental fact
extension bellows factor
fluidized-bed catalytic cracking
fold in something
functional partitioning microprocessor
gammadions
gate-turn-off controlled rectifier
general electric network for information exchange
geostationary operational environmental satellite
go halves in something with someone
gohl
gracilizing
handy sized bulk carrier
healthen
heavy-section casting
heteroallele
high-arching
hyalinizing spindle cell tumor
imitation linen
isochiapagenin
Jaghatai
junctional reciprocal rhythm
libron
limb girdle
metathomsonite
mickey-take
mock-God
moskee
motor boating
mulcahys
MVACT
my good woman
network point
nonsalivary
norton sd.
not touch something with a ten foot pole
numerical forecasting
oleaster family
orange-juice concentrate
ordinaunce
oscillatory twinning
otra(otter elv)
oval-type bearing
ownership equity
pass on the torch
prostibule
re-revise
recycling tray
registration of trade mark
Roentgen photogram
royal pole
Sarcostemma acidum
shock stall
shunt nephritis
slavishness
smoke stone
snap piston ring
spare block
Stephanachne nigrescens
stock maintenance fee
submerged tenth
tail cable sleeve
takedas
Taleban
teletypewriting
tetracuspid
toluene dealkylation
top tier
transaction mode
trapezoidal brick
treating disease according to its nature
Turin Papyrus
twait
two-daiest
vortex roll
vzglyads
WBS without benefit of salvage
well single