[医] 脱脂菌苗

Broadcast: Jan 6, 2003 By Jill Moss This is the VOA Special English Development Report. Vaccines are special medicines to prevent diseases. They are usually given to children by injection. They have p

发表于:2018-12-07 / 阅读(46) / 评论(0) 分类 VOA2003(上)-健康资讯

Each lightning bolt heats the air to 44,000 degrees Fahrenheit hotter than the surface of the Sun. 每一道闪电都能把空气。加热到44,000华氏度比太阳表面还热。 What if we could use these electromagnetic pulses as beacons,beacons

发表于:2018-12-18 / 阅读(32) / 评论(0) 分类 TED演讲科技篇

By Melinda Smith and Paul Sisco Washington, DC 22 December 2006 watch 2006 Science and Medicine Within the next quarter century, AIDS is projected to be among the top three causes of death around the world. That dire prediction comes from researcher

发表于:2019-01-12 / 阅读(116) / 评论(0) 分类 2006年VOA标准英语(十二月)

The narrative of a rising Africa is being challenged. 这是一个正在崛起的非洲面临挑战的故事。 About 10 years ago, I spoke about an Africa, 大约在十年前,我做了一个关于非洲的演讲, an Africa of hope and opportunit

发表于:2019-01-18 / 阅读(29) / 评论(0) 分类 TED演讲科学篇

今天我们要学的词是untested。 Untested, 没有经过测试的,没有经过考验的。最近,香港和印度等亚洲地区陆续发现禽流感。为了预防禽流感对人类的威胁, Several human vaccines for bird flu have been d

发表于:2019-02-03 / 阅读(40) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是vaccine。 Vaccine, 疫苗。The Food and Drug Administration approved vaccines designed to protect against the H1N1 flu virus, 美国食品和药物管理局批准了甲型H1N1流感疫苗。 The first doses of the vaccine

发表于:2019-02-05 / 阅读(64) / 评论(0) 分类 英语每日一词
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8-bit graphics
air-cooled fin
aluminium oleate
anulus inguinalis profundus
arthrodire
autocratic
Benedenia
benzpinacolone
berth alongside
castator
cerveau
clampy
cognizant division
Contrin
craniocarpotarsal dystrophy
crenarchaeotal
cryobiologies
Dromaius novaehollandiae
dull tone
EADA
electrical damage
emsa
epigaean
Eulerian representation
farm pattern
feel like a boiled rag
fire priming pump
flouncy
free from particular average absolutely
gheel
gipsy capstan
give back with interest
Gonostegia matsudae
goods with exceptional dimensions
holburne
indicating per cent
internal fired furnace
jari
junior doctors
koehl
linalyl-acetate
line-intercept method
Maxwell isotropic viscous medium
metal carbonyls
method of plate constant
Morusin
nabber
naked confession
nanshan pongee
NAPSD (normalized auto-power spectral density)
nickel resistance buld
Nizmennyy, Mys
nonknowledges
nonliars
Nyiri
palletizes
partnership money
peta
pleasure boats
Porky Pig
primary copy locking
pseudoisometric crystal
puerto coig (puerto coyle)
pushbutton
raviv
Rehmannia glutinosa
remainderings
renewal pruning
scalping bay
Schweppenhausen
screw swinging mechanism
single spot welding
single-crystal element
small-mindednesses
sound a note of warning something
spurious response
stretch wing to weather
sun spiders
surface burn
syntax-directed editor
system for high volume standardized
tail droop
tape cable connector
tenney
the province
thiazates
thyroid anlage
today we are all
Tracta universal joint
trichlet
two state controller
ultracontigs
unbuilding
under-cause
unit price
upholders
usnea confusa
World Heritage Convention
wptv
writes off