双氢链霉素

Millions More Children to Receive Vaccines More than one million children die each year from severe diarrhea and pneumococcal disease. Today (Tuesday), the GAVI Alliance announced an expanded campaign against the two leading killers of children world

发表于:2018-12-16 / 阅读(162) / 评论(0) 分类 VOA标准英语2011年(九月)

As a kindergarten teacher might say, sharing is caring. She might not mention that cooperation is also a great way to form a community and thus improve everyone's chances of survival. Humans aren't only ones to apply this strategy. Marine bacteria al

发表于:2018-12-24 / 阅读(105) / 评论(0) 分类 Scientific American(九)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-30 / 阅读(204) / 评论(0) 分类 单词解析速记

US Scientists Expand Scope of HIV Vaccine Study The worlds largest ongoing HIV vaccine study has been expanded to consider multiple ways a vaccine might boost immune response to the AIDS virus. The U.S. Institute of Allergy and Infectious Diseases (N

发表于:2019-01-14 / 阅读(157) / 评论(0) 分类 VOA标准英语2011年(八月)

Broadcast on Coast to Coast: November 7, 2002 Rebroadcast on VOA News Now: November 10, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER -- slang and idioms in American politics. RS: Tuesday was Election Day, and Slangman Da

发表于:2019-01-25 / 阅读(225) / 评论(0) 分类 词汇大师(Wordmaster)

By Jessica Berman Washington 11 May 2006 French researchers at the Sanofi Pasteur Institute say they have developed a bird flu vaccine that, so far, appears to be safe and effective in humans. But obs

发表于:2019-02-04 / 阅读(210) / 评论(0) 分类 2006年VOA标准英语(五月)

The reason that Vibrio fischeri is doing that comes from the biology. 费氏弧菌的发光现象来自生物学上的原因。 So again, another plug for the animals in the ocean, Vibrio fischeri lives in this squid. 接下来,我们再来看一个海

发表于:2019-03-04 / 阅读(214) / 评论(0) 分类 TED演讲教育篇
学英语单词
activating
actuated position
air-boxes
arborsculpture
arresting stop
asbestos gaiter
balance of payments credits and debits
casing pack
Centradenia
clent
Colotepec
compound proportion
concentrated antitoxin
consolidated quick shear test
corpus mandibul?
cowskins
coxotrochanter
crown-gear
curbing current
distribution-list entry
dogu mentese daglari
down (out)
dranco
easy listening
emitting
endogamous group
exposed view
falaises
finite automation recognizable
fixed expense
flying colours
food irradiation technique
format string
furtherous
gate monoliths
harbour advisory radar
hardnews
hartke
have a toothache
i.r.t
infantile cataract
institute of credit management
J-receptor
key wrench
lateral thrust unit compartment
legal owner
mellownesses
mercury sulfate, mercury persulfate
musculary
Mutapa
neopurpurite
not really?
order Isopoda
paelleras
Palamuse
parking capacity
pectoralist
phyllsmycin
picramates
pivot upon
play both ends
Plimsoll line
position control servomechanism
potential threshold
predominations
pyridoxamine phosphate
regional distributor
rejalgar (realgar)
residual volume of lung
road pizza
runner lock pin
servent
silver bromide photocell
skateway
sleighbells
snap-head die
snowlight
space geomechanics
specialized agent (advisor)
specific reserve
spin stabilization
Squamariaceae
Starasid
stunta
sucks at
sugar mill juice heater
Sāwi B.
target kinematics
tariff distance
Thomomys
torpedo control tower
transfer of knowledge
transportation request
Tripterospermum cordifolium
two-wheel frame plow
Uithuizen
ulcuscule
unbolts
wash drawings
whiting out
Williston Basin
Wolstenholme, C.