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I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2018-12-04 / 阅读(75) / 评论(0) 分类 听一分钟英文-O

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(105) / 评论(0) 分类 英语课程学习计划和讲义

中文 英文 缩写 ATM 适配层 ATM Adaptation Layer AAL ATM层链路 ATM layer link ATM传输能力 ATM Transfer Capability ATC ATM对等连接 ATM peer-to-peer connection ATM块传输/立即发送

发表于:2019-01-08 / 阅读(103) / 评论(0) 分类 电信英语

Whales, seals and walruses stay warm in chilly water because they have a thick layer of blubber. We humans rely on something like blubberneoprene rubber wet suitsto spend time in cold water. But the thick versions for really icy water are heavy and u

发表于:2019-01-17 / 阅读(48) / 评论(0) 分类 2016年Scientific American(十)月

Science Fiction-style replications, as seen in TV shows like Star Trek, might be a step nearer to becoming reality. Digital technology means it's now possible to make 3D objects from downloaded designs. Our reporter Li Dong has the details. These fun

发表于:2019-01-19 / 阅读(45) / 评论(0) 分类 世界各地新闻集锦

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(66) / 评论(0) 分类 纯正英语一分钟
学英语单词
a thought
africain
Ardle
artificial coke
arval
atriumed
autoicomyces humilis
bare steerageway
Beer-Lambert-Bouguer law
blodget
burgins
c. psittacis
cathodoluminescence microscopy
cionitis
coarse grains
contact metamorphic action
core circuit
critical statistics
cut-and-carry die
dai-ichi
dated security
De Grey R.
degenerated specification part
deltaic cross bedding
depreciatory
Doganbey
double pleximeter
dripstones
dry as a bone
earnings or income approach
employment-related
even-charge number
fadier
fibrogastroendoscopy
fill again
fire alarm sounder
fire resistant fluid
Francavilla in Sinni
global field
glove compartment cover
grid parallel
Herbert's operation
hydropneumatic massage
i-kenned
inquisitous
international standard candle-power
intubatton
isolated process
jerk-waters
keratoplasia
lays waste
lever hangs
loop optimization
mail bag
mixter
near crisis
necessary in a democratic society
neutral principle
non-functioning
optic perineuritis
owners declaration
pass schedule
pneumatic antomation
pre-conferences
presacral anesthesia
pseudophlegmon
pulse repetition frequency limitation
pyribenzamine
pyridofolidine
radioscan
rapin
rebat
rise from humble beginning
roller operated valve
roundheads
scoble
septa sinuum frontalium
sigmoidoproctitis
silicotics
single dissociation
sirupus ferri jodati
slurry steeping
sokoloffs
spheronization
stellar complex
sticking-plasters
suprastapedial
surmounted pediment
switchorder
tabetiform
terrazzo panel
tholeiitic
to log out
ultra low emissions vehicle
unblesses
uncowed
underspins
up-ticks
venenatine
vine separating unit
wyns
xi-cleft point