细菌性变色,细菌性褪色, 细菌性变色;细菌性褪色

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:05.20]1995 [00:07.51]Sleep is divided into periods of so-called REM sleep, [00:11.56]characterized by rapid eye movements and dreaming, [00:14.68]and longer periods of non-REM sleep. [00:17.50

发表于:2018-11-30 / 阅读(190) / 评论(0) 分类 历年考研英语完型填空

Michael采用老犯人Charles的计策,递交过敏体质的人权申诉。监狱长和Michael一起搭建泰姬陵模型时,谈到这个用拖延时间来避免被转走的策略。 [00:07.49]Listen and Share [00:41.56]Michael [00:42.98]Charles [00:47.97]Michael [00:58.79]How are those allergies? [

发表于:2018-12-07 / 阅读(185) / 评论(0) 分类 纸牌屋第一季

By Paul Thompson VOICE ONE: This is Bob Doughty. VOICE TWO: And this is Doug Johnson with the VOA Special English program EXPLORATIONS. Today we tell about some of the important space news of the past

发表于:2018-12-07 / 阅读(135) / 评论(0) 分类 Explorations

STEVE INSKEEP, HOST: Some new parents have started giving their newborns what's being called a bacterial baptism. The idea is to try to help their babies develop healthy microbiomes, the collection of friendly bacteria that inhabit everyone's bodies.

发表于:2018-12-17 / 阅读(125) / 评论(0) 分类 2018年NPR美国国家公共电台10月

This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact

发表于:2018-12-24 / 阅读(120) / 评论(0) 分类 Scientific American(五)月

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(149) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

发表于:2019-01-08 / 阅读(146) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(182) / 评论(0) 分类 Scientific American(一)月

EXPLORATIONS – July 3, 2002: Life on the International Space Station By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLO

发表于:2019-01-11 / 阅读(210) / 评论(0) 分类 Explorations

VOICE ONE: Im Shirley Griffith. VOICE TWO: And Im Steve Ember with Explorations in VOA Special English. Today, we travel through city streets all over the world to explore street art, a popular and lively art movement. (MUSIC) VOICE ONE: Street art

发表于:2019-01-11 / 阅读(142) / 评论(0) 分类 VOA慢速英语2009年(四)月

Explorations - Travel Industry, Fisheries Depend on Threatened Coral Reefs MARIO RITTER: Welcome to Explorations in VOA Special English. Im Mario Ritter. This week, we hear from a prize-winning expert on bees. May Berenbaum has studied ways to help p

发表于:2019-01-12 / 阅读(153) / 评论(0) 分类 2012年VOA慢速英语(二)月

Experts: Let Produce Dry Out to Avoid Bacteria American researchers say farmers should wait one day after a rain storm or watering their fields to harvest fresh fruits and vegetables. They say gathering the crops at least 24 hours after rainfall incr

发表于:2019-01-12 / 阅读(268) / 评论(0) 分类 2015年VOA慢速英语(七)月

By Melinda Smith Washington, D.C. 21 March 2007 watch Tuberculosis US report Beginning around 1995, the United States experienced a steady decline in the rate of tuberculosis. But in the last three years, health experts have noticed something distur

发表于:2019-01-13 / 阅读(212) / 评论(0) 分类 2007年VOA标准英语(三月)

South Sudan's Aid Workers Concerned About Flood of Sudanese Refugees At a watering point in Yusuf Batil camp in South Sudan, some of the 35,000 residents make the daily trek to fill jerry cans for washing, cooking and cleaning. To get about half the

发表于:2019-01-13 / 阅读(123) / 评论(0) 分类 VOA标准英语2012年(九月)

Former Ghana President to Lead Global Fight Against Tropical Diseases It is truly an honor to declare my acceptance for the position just offered to me, he said. Former President Kufuor will now be the lead advocate for controlling and eliminating so

发表于:2019-01-13 / 阅读(143) / 评论(0) 分类 VOA标准英语2012年(四月)

Most rice grows in wet environments, but too much water can be disastrous for rice crops. Plant biologist Pamela Ronald helped create a type of flood-resistant rice that is being introduced to India and Bangladesh. In Davis, California, we spoke wit

发表于:2019-01-13 / 阅读(145) / 评论(0) 分类 VOA标准英语2009年(三月)

Gas,OilExplorationComplicatesTurkey,CyprusTalks Cyprus appears to be headed for a showdown with Turkey over Nicosia's oil and gas exploration in the eastern Mediterranean. The drilling may harm the ongoing reunification talks. Relations between Turke

发表于:2019-01-13 / 阅读(173) / 评论(0) 分类 VOA标准英语2011年(九月)

NASA Art Captures 50 Years of Exploration One of the nation's most prolific art collectors is the U.S. space agency. For nearly a half-century, NASA has commissioned artists to document its missions and projects. Seventy of the 3,000 works in its col

发表于:2019-01-14 / 阅读(127) / 评论(0) 分类 VOA标准英语2011年(六月)

Global Trade Carries Risk of Pests More than one trillion dollars worth of agricultural products is traded every year. But as countries buy and sell fruits, vegetables, timber and other products, they also may be putting domestic plants at risk. That

发表于:2019-01-14 / 阅读(116) / 评论(0) 分类 VOA标准英语2013年(四月)

Flatulence, or passing gas, is a normal daily phenomenon. 胀气,或者放屁,是正常的日常现象。 Most individuals, yes, that includes you, 大多数人,是的,这包括你, will make anywhere from 500-1500 milliliters of gas and ca

发表于:2019-01-17 / 阅读(165) / 评论(0) 分类 TED演讲教育篇
学英语单词
acsinatidine
actuation signal
adhesive agent
adultment
advancer
aglycon, aglycone
aiming exercise
anchusas
antisport
artificial crack
auroral particle
bank card
behavioral signature
brokenhanded
buffer device
call back pay
carcinoma of uterine cervix
cascade transformers
chair-bed
circular trip
communtator cover
confined annular layer of relativistic electrons
control container
decayed gravel bed
elementary level
enitron
European elder
exordiums
fish sauces
flash calculation
footlid
front clip attachment
fthm
give a fight
Glan-Thomson Prisms
God works in mysterious ways
grand touring car
haway
hearer
hecto-pascals
hershko
heterostemonous
hot-top
Hsataw
immunized
induction wind tunnel
infinite memory
iron alloy
Ismaelian
Japanese farcy
joggings
kauf
Kim Anh
kinesthesia
lawr
machilipatnam (bandar)
MACV
marketises
meadow soil
melodinus fusiformis champ.
milk veteh
non expedit
nondivergent motion
Novo Acre
numerical difference
OCO
off hire clause
organic reaction
osteanabrosis
PALEONISCOIDEI
pentons
pewage
PHANEROPLEURIFORMES
port support activity
price markdown
purchase on credit
purple bean
pyelotubular backflow
reduced haematin
requisition journal
retaining device
reverer
safety production
sample collection tube
satellite state
sergeanty
sizzing
southforks
ST (static thrust)
Strong-Campbell Interest Inventory
superfluous man
sweitenolide
taklamakanensis
tiger woods
tight transition state
to'a
ultra-violet light
unchuffed
underclassification
ven? centrales
Venet.
visible-infrared spin-scan radiometer