食品腐败[细]菌

By Gary Garriott Broadcast: September 1, 2003 This is Sarah Long with the VOA Special English Development Report. People have always had to find ways to keep food safe to eat. Methods to dry, smoke an

发表于:2018-12-01 / 阅读(266) / 评论(0) 分类 VOA2003(下)-发展与科学

DEVELOPMENT REPORT – Canning Food By Gary Garriott Broadcast: Monday, January 03, 2005 I'm Gwen Outen with the VOA Special English Development Report. People have always had to find ways to keep foo

发表于:2018-12-07 / 阅读(149) / 评论(0) 分类 农业与发展

Report: Africa Agricultural Reforms Could Ensure Food Security Experts say Africa needs agricultural market reforms if its going to overcome food shortages and high prices. A new report outlines what it calls high payoff, low-cost solutions. The Alli

发表于:2018-12-16 / 阅读(117) / 评论(0) 分类 VOA标准英语2012年(二月)

Youve just opened a bottle of wine for dinner. On the label, you see these words: Contains Sulfites. What are sulfites? And what are they doing in your wine? 设想一下,你在晚餐时刚刚打开了一瓶酒,你会在酒瓶的标签上看到:含

发表于:2018-12-18 / 阅读(107) / 评论(0) 分类 2018年NPR美国国家公共电台2月

Here is some thanksgiving tips food and safety expert Ben Chatman in North Carolina State University. First, do not wash the turkey, which***. The water splashing off a portroy can toss bacteria around your entire food preparation area. Two, s** is t

发表于:2018-12-24 / 阅读(148) / 评论(0) 分类 Scientific American(十一)月

What Are Sulfites? Youve just opened a bottle of wine for dinner. On the label, you see these words: Contains Sulfites. What are sulfites? And what are they doing in your wine? 图片1 Chemical Compounds Sulfites are chemical compounds found naturall

发表于:2018-12-31 / 阅读(132) / 评论(0) 分类 英语听力文摘 English Digest

Got bacteria? Thats the question du jour for people on both sides of the debate about raw milk. Thats milk which has not undergone pasteurization, the century-old process of using heat to kill potentially harmful bacteria. 有细菌?这是当今对原料

发表于:2019-01-02 / 阅读(110) / 评论(0) 分类 英伦广角

92 注意街头食品的卫生 DEVELOPMENT REPORT September 10, 2001: Street Food SafetyBy George Grow (Start at 1'01

发表于:2019-01-02 / 阅读(139) / 评论(0) 分类 科技之光

HEALTH REPORT -August 7, 2002: Bacteria in Food This is the VOA Special English Health Report. An American food company recently recalled about eight-million kilograms of ground beef that is used to m

发表于:2019-01-07 / 阅读(129) / 评论(0) 分类 健康与环境

This is Scientific American's 60-Second Science. I'm Cynthia Graber . This will just take a minute. Theres a traditional bowl in Korea that locals say makes food safer. And they might be right. The bowl is made of almost 80 percent copper. Copper ion

发表于:2019-01-08 / 阅读(195) / 评论(0) 分类 Scientific American(九)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(269) / 评论(0) 分类 2015年VOA慢速英语(七)月

E coli: Good Bacteria Gone Bad As a major outbreak of a highly toxic strain of E. coli bacteria continues to sicken residents of Europe, medical experts are racing to find the source. E. coli doesn't usually cause any trouble, says University of Minn

发表于:2019-01-14 / 阅读(185) / 评论(0) 分类 VOA标准英语2011年(六月)

Lesson Fourteen 听力部分 Dictation: Please prepare your paper and pen. We keep ____ in the _________ to ______ its _______ and ___________. ________________ keep _________ and inhibit the _____ of most ______. However, ____ spoilage microorganism

发表于:2019-01-14 / 阅读(107) / 评论(0) 分类 王强口语 第二册

For example, they'll break proteins into their component amino acids 比如,它们会把蛋白质分解成氨基酸成分, and then break those down even further into various compounds. 然后再把这些更进一步分解成各种化合物。 So

发表于:2019-01-17 / 阅读(124) / 评论(0) 分类 TED演讲教育篇

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(166) / 评论(0) 分类 TED演讲教育篇

READING: Scientists may have discovered something that could be very welcome news for ice cream lovers around the world. Their discovery is a new ingredient that could slow down the rate at which ice cream melts and gives the ice cream a smooth textu

发表于:2019-01-22 / 阅读(632) / 评论(0) 分类 英语生活新闻

56 自然原因导致夏季食物中毒比率偏高 DATE=6-12-01 TITLE=AGRICULTURE REPORT - Food Poisoning in Summer BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(145) / 评论(0) 分类 科技之光

DEVELOPMENT REPORT - Simple Ways to Keep Food Cool By Bob Bowen Broadcast: Monday, September 05, 2005 I'm Faith Lapidus with the VOA Special English Development Report. Bacteria can make foods go bad.

发表于:2019-01-30 / 阅读(118) / 评论(0) 分类 农业与发展

Science and technology 科学技术 Marine ecology 海洋生态 Welcome to the plastisphere 欢迎来到塑料星球 What is pollution to some is opportunity to others 对一些人意味着污染对另一些人却意味着是机会 SINCE 2008 geologi

发表于:2019-02-03 / 阅读(117) / 评论(0) 分类 经济学人科技系列

When we think about becoming healthier, we often think about joining a gym and starting to eat a more balanced diet. These things are both very important, but becoming healthy also means throwing away anything that is harmful or holding you back. 当我

发表于:2019-02-13 / 阅读(106) / 评论(0) 分类 阅读空间
学英语单词
achenbach
acoustic reflectivity
allodimer
altricious
anisopodid
anti-freezing
audit of profit distribution
Audouin's microsporon
Ban Pak Kham
bass flute
beat the wind
bottle-nose whale oil
canonical products region
Canton Airport
come again
configuration control review board
continental platform
convergence forward pruning
cytogenics
data-ink
dennis gabors
disorganiser
Dukhovshchinskaya Vozv.
earth core
Erytromycin
fibrolipoangioma
filing unit
fixed base simulator
functional form
gear rougher
go by aeroplane
graveyard shifts
grip of concrete
halftone image
hemiblocks
hereditary xanthinuria
herpes gladiatorum
hewn to
hierarchy of operations
i-blent
inquietly
Kanda-misaki
land tax
large-diameter member
Ligularia kojimae
limited attention
litchi sickness
lumicolchiceine
Maydl's operation
Mikiko
milk influence
milkey
molecular biological
mulsums
narcin'
nephrine
Newbiggin-by-the-Sea
nicotidin
Nikolo-Makarovo
ocean dredging
order of zero
Perugorria
plate buffer
Poissy
pongos
popodoms
populuss
precision stereoplotter
Pseudo-Willemite
pull wires
quadrant with two arcs
raymakers
rectus muscle
reperuse
rib weave
rolling car
rostrated
run-round
second induction principle
self-aligned offset
Semri
service assurance
sliding mould-type press
snarling up
squamous bone
SSE (safe shutdown earthquake)
stationary potential
streptcoccus epidemicus
surf ski
systems science
task manager
temperature reinforcement
the Laffer Curve
triangular tooth log-periodic antenna
trypsinogens
unlined canal
unpotholed
Verneuk Pan
Welton
Wenckebach's atrioventricular block
Yankeeize
Zef