[网络] 精子孢子

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(182) / 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(141) / 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(184) / 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(270) / 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(203) / 评论(0) 分类 Scientific American(七)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(139) / 评论(0) 分类 2015年VOA慢速英语(六)月

Guitarist Tom Principato has been a mainstay on the Washington, D.C. blues scene for more than 40 years. Tom's new CD was inspired by family, friends and collaborators who helped shape his life on and off the stage. Like many kids growing up in the 1

发表于:2019-01-14 / 阅读(176) / 评论(0) 分类 VOA标准英语2011年(二月)

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(161) / 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(210) / 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(191) / 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(178) / 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(223) / 评论(0) 分类 VOA2004(上)--各类新闻

By Zulima Palacio Washington 08 May 2008 Although the government and researchers halted most clinical trials for an AIDS vaccine, a research institute in Baltimore continues its work on the most deadly virus of our times. Vaccine trials were stopped

发表于:2019-02-04 / 阅读(222) / 评论(0) 分类 VOA标准英语2008年(五月)

Beijing, Sept. 6 (Xinhua) -- A sperm donation scandal disclosed recently has aroused growing concern in the United States. According to the New York Times' report, Ryan Kramer, the son of a donor, found that he has more than 150 half-siblings - they

发表于:2019-02-04 / 阅读(177) / 评论(0) 分类 英语新闻

WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo

发表于:2019-02-04 / 阅读(327) / 评论(0) 分类 英语新闻

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(240) / 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(146) / 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(121) / 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(137) / 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(169) / 评论(0) 分类 万物简史
学英语单词
A.H.F.
absolutely convergence
aluminum-covered steel wire
anthoceropsidas
arteritis hyperplastica
attract deposits
backlands
barquillite
beyerstein
blown your own trumpet
canalization
Carya myristicaeformis
cherely
clapped out
clove oil cement
coming before
creeping bellflowers
cumulative bibliography
dead-stroke
deep foundation method
devona
dismembring
double breasted
dromomaniac
earthquake-safe
electrophoretic coating
Eriochrome cyanine R
eshowe
exotospore
fetcher code
fire scar
fishery salt
Flavia
flute of drill
fool around with
full-sailed
gaul
geometric interpretation
graduate engineer
Guerin's fractore
heat-proof glass
heboid
heel of switch
hyperplasy
ice tip
interlocking by electric locks with
international commercial exchange
jozani
Kharvār
leonardo da vincis
Lithocarpus levis
log-house
magnetic ordering structure
medial basal segmental bronchus
membrane detector
mesoscaphe
mirack
mozzie
myocardial membrane electrode
nearby delivery
nel
nemipterus thosaporni
Nokhar
non-abelians
numerical estimates
odobenus rosmaruss
open education model
P. E. G.
parotidectomies
permeabilises
pile the pressure on
plastic silo
polar independent contact
pontooner
price-earnings ratios
principal key
prodorit
psychological attributes of color sensation
pulse rhythm
Republic of Azerbaijan
satchmo
scarfing joint
schulte
scintillating scotoma
sectionalized single busbar connection
siling
six-decade meter
slimpsiest
supplementary land station
symmetrical current
tap changing arrangement
tasteful
thigmomorphosis
trouble-causer
Tvärålund
tyo
unevent
unrevivably
video device
world geographic reference system
xylenin
yarnlike