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[00:00.00]macro--manipulate A majestic opportunity [00:02.85]一次绝好的机会 [00:05.69]No one manipulated Scott in any way, [00:09.17]没入对斯科特有任何操纵, [00:12.64]he just wanted to step out of the mainstream and do something c

发表于:2018-12-05 / 阅读(273) / 评论(0) 分类 胡敏读故事记单词

This Scientific American 60 Second Science, I'm Sophie Bushwick, got a minute.Developed countries spend about 3 percent of all their electrical power treating waste water, the juice purified contaminated material so it can be returned safely to the e

发表于:2018-12-24 / 阅读(131) / 评论(0) 分类 Scientific American(九)月

Some methods of preserving food are easy to understand. 一些保存食物的方法很容易理解。 For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause

发表于:2018-12-28 / 阅读(184) / 评论(0) 分类 初学者听力文摘精选

Traditional Sushi Eaters Have Specialized Gut Bacteria If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the journal Nature shows that Japanese peopleb

发表于:2019-01-02 / 阅读(226) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the jo

发表于:2019-01-08 / 阅读(243) / 评论(0) 分类 Scientific American(四)月

Microbe Could Help Battle Malaria Researchers have discovered a bacterium in the gut of the Anopheles mosquito which may someday be used to destroy and, therefore, prevent the spread of the disease-causing parasite. The World Health Organization esti

发表于:2019-01-14 / 阅读(190) / 评论(0) 分类 VOA标准英语2011年(五月)

RACHEL MARTIN, HOST: A few years ago, an airplane touched down on a grass runway in the Democratic Republic of Congo, and out stepped microbiologist Kate Rubins. KATE RUBINS: If you put your finger on a map in the middle of Africa, that's about where

发表于:2019-01-16 / 阅读(171) / 评论(0) 分类 2017年NPR美国国家公共电台3月

Microbe organize live in you ,on you ,in soil in clouds ,and below the ocean floor ,that last bags of single self.. is particularhard to study, not only the samples are difficult to obtain ,but they can easily be contaminated with all that other mi

发表于:2019-01-20 / 阅读(159) / 评论(0) 分类 2015年Scientific American(八)月

[00:00.00]Listening Comprehension (20 minutes) [00:-1.00]Section A [00:-2.00]Directions:In this section,you will hear 10 short conversations.At the end of each conversation,a question will be asked about what was said.Both the conversation and the qu

发表于:2019-01-25 / 阅读(246) / 评论(0) 分类 英语六级听力练习集锦

AGRICULTURE REPORT December 17, 2002 — Irradiated Meat This is the VOA Special English Agriculture Report. The United States government has approved methods of destroying bacteria in meat by using r

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

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(200) / 评论(0) 分类 万物简史

Some methods of preserving food are easy to understand. For example, it's easy to see that freezing your food, or packing it in salt, would make it inhospitable to the microbes which would otherwise cause it to spoil. You might wonder, however, about

发表于:2019-02-24 / 阅读(154) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
a yawning chasm
American Samoan
amidar
ammonium biborate
arid soils
arthropod-borne hemorrhagic fever
artificial cementing
aslanian
auckleys
aversive conditioning
bulcocks
cachou
cakepans
calculous pyonephrosis
Canyonlands National Park
capacitance strain transducer
capped comb
Carrodano
Civic Forum
closed immersion
combined development system
commonwealths of the bahamas
control of air pollution
Deloitte and Touche
diplodia agaves
diselenium
disturbance power
drawn plow
Driscoll I.
economic discourse
el obeid
epicheirema
forfeited stock
fried pork liver with dry onion
gas-jet propelled boat
Glenicmurrin L.
hesperis matronaliss
hicksvilles
high power laser
hobbing steel
hordock
hypervirulent
impartialists
integrated autopilot
international calls
interpolation filter
Interporopollenites
intralocular
intrapapillary
Kurram
L-ALA
laminae supraneuroporica
legatums
lintwhites
lipofillina
litsea mollifolia chun
Lt Cdr
marriage put
maxillifer
medullary tmbes
meltings
mesomerisms
methylisococlaurine
micro isoelectric focusing
mineral membrane electrode
Mogopodi
money of account
nematozooid
NISUS facility
noious
normal pressuresynthesis
operating fork ball-end
operation(al) system
Pleuronantilus
pterobryopsis acuminata
pull me
pumping waveform
rackover
rangiferine
reachieved
relative contract
retanning agent
runaway collision
simonart's band
sliding-vane vacuum pump
so-journer
standby sample
tax on imports
tax-bracket creep
Tiéfora
to defend
tracker analysis program
trenettes
triazopho
tzt
unified file access system
valence quark
Vištytis
Weekly Compilation of Presidential Documents
whippingly
windases