[医] 洗净芽胞

Lesson 53 Television Day: Penicillin TV Commentary: If you leave a piece of bread in a warm damp place, mould will soon grow in it. When this happens, we say that bread has gone mouldy. Mould can grow on all kinds of things besides food-on leather, c

发表于:2018-12-20 / 阅读(206) / 评论(0) 分类 朗文3L看听学英语第四册

This is scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? The yeast Candida albicans ekes out a quiet living in our gut. But its a tough life. It faces acids and enzymes, and the immune system always bullies invaders.

发表于:2018-12-24 / 阅读(220) / 评论(0) 分类 Scientific American(五)月

The fact that Pachyrhinosaurus is found in so many different areas suggests that these dinosaurs had a remarkable ability to adapt to a variety of different environments. 肿鼻角龙在那么多不同的地方被发现,说明这种恐龙对不同环

发表于:2018-12-28 / 阅读(172) / 评论(0) 分类 侏罗纪搏击俱乐部

The small grains among the hypha are spores, an indication that the hairy tofu has matured. 菌丝间细小的颗粒是散落的孢子,那是毛豆腐成熟的标志。 The clever Chinese are proficient in using micro-organisms. 聪明的中国人对

发表于:2018-12-28 / 阅读(249) / 评论(0) 分类 舌尖上的中国第一季

Broadcast: Feb 02, 2003 The U.N. Children's Fund units service is starting a weeklong campaign to immunize thousands of Afghan women against tetanus. This is part of a global campaign to eliminate mat

发表于:2019-01-03 / 阅读(295) / 评论(0) 分类 VOA2003(上)-健康之旅

This is Scientific American -60 seconds science. Im Cynthia Graber. This will just take a minute. A coal mine can degrade its local environment. But fungus may inadvertently help clean up the mine with its own waste products. Researchers worked with

发表于:2019-01-08 / 阅读(251) / 评论(0) 分类 Scientific American(七)月

basket case all washed up 今天我们要给大家介绍两个表示毫无希望的习惯用语。我们要讲的第一个常用语是:basket case。 Basket的意思就是

发表于:2019-01-09 / 阅读(272) / 评论(0) 分类 美国习惯用语

SCIENCE IN THE NEWS - Anthrax Has Been Widely Feared Since the 2001 Anthrax Attacks in the United BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. Im Barbara Klein. CHRISTOPHER CRUISE: And Im Christopher Cruise. Today we tell about

发表于:2019-01-12 / 阅读(174) / 评论(0) 分类 2011年VOA慢速英语(十一)月

AS IT IS 2015-06-05 Anthrax Shipments Incident Continues to Grow 误发活性炭疽菌事件持续增加 The United States military now says it might have sent live anthrax to 52 laboratories in the United States and three other countries. On Wednesd

发表于:2019-01-12 / 阅读(181) / 评论(0) 分类 2015年VOA慢速英语(六)月

Valley Fever Raises Concerns in California, Arizona Dale Pulde is selling his California home because he's unable to meet his payments. The motorcycle mechanic and drag car racer was infected with Valley Fever in California's Central Valley and has m

发表于:2019-01-14 / 阅读(203) / 评论(0) 分类 VOA标准英语2013年(五月)

The yak has even led the Tibetans to buried treasure. In summer,people can be seen scouring the grassland,bent over in deep concentration.This is the world's weirdest harvest.Tibetans first investigated this strange root-like organism,known locally a

发表于:2019-01-22 / 阅读(193) / 评论(0) 分类 自然百科2010年

59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(251) / 评论(0) 分类 科技之光

AGRICULTURE REPORT - Mushrooms By Bob Bowen Broadcast: Tuesday, May 11, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Year after year, mushrooms of every size and shape pus

发表于:2019-01-30 / 阅读(232) / 评论(0) 分类 农业与发展

AGRICULTURE REPORT - Asian Soybean Rust Found in Several U.S. States By Mario Ritter Broadcast: Tuesday, December 07, 2004 I'm Gwen Outen with the VOA Special English Agriculture Report. Asian soybean

发表于:2019-01-30 / 阅读(219) / 评论(0) 分类 农业与发展

Suspicious Powder Discovered on Capitol Hill Deborah Tate Three U.S. Senate office buildings are closed, and congressional business has been disrupted a day after a suspicious powder, believed to be t

发表于:2019-01-31 / 阅读(258) / 评论(0) 分类 VOA2004(上)--各类新闻

1.The FBI has released documents saying Army scientist Bruce Ivins had custody of anthrax spores identical to those that killed five and sickened at least 17 others in 2001.The FBI also says Ivins worked unusually late lab work hours around the time

发表于:2019-02-11 / 阅读(279) / 评论(0) 分类 美联社新闻一分钟2008年(八)月

I realize this is not the kind of relationship 我意识到,我们一般不会热衷于 that we usually aspire to have with our food. 与我们的食物建立这样的关系 We want to eat, not be eaten by, our food. 我们吃食物,而不是被食物吃

发表于:2019-02-14 / 阅读(185) / 评论(0) 分类 TED演讲科学篇

Science and technology 科学技术 Colony collapse disorder 蜂群崩坏症候群 Bee off 蜂群崩坏 A possible explanation of why beehives sometimes vanish 有可能解释清楚为什么蜂群有时会突然死亡 HONEYBEES are sensitive creature

发表于:2019-02-16 / 阅读(150) / 评论(0) 分类 经济学人科技系列

When times are good, they exist as one-celled individuals, much like amoebas. 当年景好的时候,它们以单细胞的形式独立存在,很像是变形虫; But when conditions grow tough, they crawl to a central gathering place and become,

发表于:2019-02-17 / 阅读(173) / 评论(0) 分类 万物简史

In 1997 scientists successfully activated some anthrax spores that had lain dormant for eighty years in a museum display in Trondheim, Norway. 1997年,科学家们成功地激活了已经在挪威特隆赫姆博物馆休眠了80年之久的一些炭疽

发表于:2019-02-17 / 阅读(203) / 评论(0) 分类 万物简史
学英语单词
acoustic shield
activation of erzymes
Adige River
air-brake dynamometer
anchors
Antilocapra americana
antiremoval
atmospheric optical thickness
atomic language
batch input data record
borscht belt
Campidano
chromogenesis
chymists
cis female
clean fallow
cleaning table
common database
conciliation commission
consumer management
cotton printing and dyeing mill
creeping elegance
decompresssion
decussated
degree of turbulence
diaminomethyleneamino
disconcordant orientation
dominant wind direction
emeth
entry representation specification
epalrestat
equity assets ratio
equivalent theorem
fahlerz (tetrahedrite)
ferdy
Ferrolazulite
freight and cartage
give a hoot
gorgasia taiwanensis
grand totals for columns
gregarious phase
H-ll
hexacosanedienoic acid
holic
horseback-riding
jeavons
laser drill
lauryl
Linux shell
main alloying component
manual steering gear
margin relief
Mariavite
Mark Anthony
microhomes
monascoflacin
multivitamin tablet
Namhung-dong
nationality sign
natural mortality coefficient
nineteen-sixties
omnidirectional air meter
ophthocillin
Osage City
paper making
pastorlike
payment for the use of state funds
Pedicularis craspedotricha
pericardial sacs
phase-field equation
Piripiri(Peripery)
place mats
poll meat
portable program
precancels
presphenoid (bone)
pseudomelaniids
quai hai
quinin
respiratory volume
schizophrenic reaction
secondset reaction
Sedova, Zaliv
spherical distribution
Stokes meter
suspension load sampler
swan band
syndrome of phlegm blocking heart vessel
synthesizer tuner
Tamins
tedder
telescope user interface
telial
territorial song
trentepholia (mongoma) pennipes
triple warp weave
unallayed
up to the gills
very coarse columner aggregate
very low bombing
wobbly pops
wool spinning