产气细菌

Forming a Union Norma: What is this? Jimmy: Its a flyer for a meeting Ive called to talk about forming a labor union here. Norma: Here? Do you think the management will let us? Jimmy: They cant stop us. Were working longer and longer hours and we nee

发表于:2018-12-03 / 阅读(83) / 评论(0) 分类 2013年ESL之商务英语

Water Blankets Forming Planets A study in the journal Science finds much more molecular water in regions where planets are forming around young stars. The mechanism to keep the water from being destroyed by UV radiation appears to involve some of the

发表于:2019-01-02 / 阅读(105) / 评论(0) 分类 60秒科学

Life was not easy when Emma Seguy first arrived in Mesa, Arizona. The 20-year-old was born in Paris, France. But when she was 16, she decided she wanted to be more independent and to try something new. So, Seguy asked her parents if she could complet

发表于:2019-01-03 / 阅读(73) / 评论(0) 分类 2018年VOA慢速英语(六)月

Broadcast: Feb 13, 2003 Demand for electricity is growing in Mexico, but the state-owned oil company, known as Pemex, is reducing the amount of natural gas it can provide for electrical generation. Th

发表于:2019-01-03 / 阅读(73) / 评论(0) 分类 VOA2003(上)-国际时讯

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(49) / 评论(0) 分类 Scientific American(四)月

Locust Swarms Forming in West Africa Four countries in West Africa have been put on alert for the likely arrival of swarms of Desert Locusts. If uncontrolled, a small swarm can eat the same amount of food in one day as 35-thousand people. Locust swar

发表于:2019-01-14 / 阅读(62) / 评论(0) 分类 VOA标准英语2012年(十月)
学英语单词
acute anterior celluloneuritis
adjustable handle
after bottom dead center
afternoon paper
albuminous granules
alignant lymphangioendothelioma
aluminium thallium sulfate
auto de fe
automatic soap press
Bacillus phosphorrescens
Barentsburg
bark bread
Barreal
be food for fishes
bhaves
blade end
botiid
Chaykovskaya
chechem
chyromya hedia
claycourt
commodity dumping
coolhouse
crystalline limestone
cylindrical lens
decaying exponential
density independence
departure time
DirectSound
formal notice
freeze sb. out
gear unit
grandpaws
harslet
high aperture lens
higher-temperature
highly-charged
hill's method
induction unit
inert gas shielding
inter-allelic interaction
invultuation
isoeugenol methyl ether
isoseisms
Jaeundo
kata-thermometer
lars-eric
leafhead
link(ing) loader
long term sustainability
m-type
manifold injection
marsh horsetail
mass determination
metastatic carcinoma of pleura
model-airplane
monosynaptic reflex
Monteverdi Peninsula
multiple o's
neurilemoma
non monetary gold
nostro account
official devaluation
orthogonal group pair
Otowa
part per million(ppm)
pastiglia
piecewise constant function
pillansii
popunder
racketers
Rome Beauty
room-temperature conductivity
Salgado de São Félix
sea dove
self addressed
shared communication facility
shut-down wind speed
silation
silver limes
slow curing resin
socket set wrench
step off the curb
stormingly
tied houses
too true
total transmittance
touch of hydrogen
trans-subjective
transient solution
uhn
unified interpretation
update information
us de-
venosal
vessel expenses
vitro-ceramics
weight disk
weight of measurement
work name
xanthein
yards