氢损失

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(74) / 评论(0) 分类 VOA2003(上)-科技导航

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(57) / 评论(0) 分类 英语演讲

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(100) / 评论(0) 分类 雅思英语

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(45) / 评论(0) 分类 英语美文

WASHINGTON, Nov. 14 (Xinhua) -- Nearly a fifth of all Americans 12 years or older have hearing loss so severe that it may make communication difficult, according to a new study led by Johns Hopkins University researchers and published Monday in the A

发表于:2019-02-18 / 阅读(64) / 评论(0) 分类 英语新闻

North Korea conducted a 'successful' hydrogen bomb test, Pyongyang has confirmed. The thermonuclear weapon triggered a massive 5.1 magnitude earthquake when it exploded at 10am local time on Wednesday. 平壤方面已经证实,朝鲜成功的进行了

发表于:2019-02-18 / 阅读(49) / 评论(0) 分类 英语新闻
学英语单词
40
Acιgöl
Adelebsen
aerated concrete floor slab
aero-foam fire extinguishing installation
airplane crash hazards
antibionts
artificial drying
asbestos fiber filter
bloodsuckers
bondedness
bus-type current transformer
caluromyids
cancells
carbechal
catalyst refucer
chromatospectrophotometric
comment remove
crystal-field effect
Data Terminal Ready
dawn phenomena
dextral rotation
Dividing Ra.
dominant lethal factor
economic&social council
EDM instrument
emperors of rome
eoposition
flag ore
floating point field
full width seed broadcaster
Galium karakulense
gavotte step
geocole
gradient-index profile
graphic works
grid identification note
half-sovereign
Hanover metal
harbers earth current ammeter
heroize
hoise
holotrichia shibatai
holzmen
hydrogenic rocks
hydroxyapatite crystal
i-wys
indirect air support
interference apparatus
isomorphous replacement
job input file
joint treatment
jura
king's ransom
large scale integrated circuit(lsi)
light spotted cotton
lithium fluoride dosimetry
marine pollution hazard
midaxifylline
midtests
Morton's cough
multiple vibration mode
nephro-
Neronian
neutrino flux
Old Greek
one level subroutine
one-component system piezoelectric ceramics
onur
oxaclid
phonetic science
phosphorus powder
pixel peepers
plant-size equipment
podium dance
poison sb's mind(s)
power-vacuums
propeller erosion
pulpally
remove debris from water
reve-land
rotator, phase
Rubus menglaensis
Russian boot
sea bat
Shigella viscosa
short run printing
silicon on insulator (soi)
siroeang
slowacting
somatologic
sorry, not sorry
speech frequency
stalklike
stationings
switchboard instrument
tatbestand
terminal lava flow
track laying train
unresolved peak
winch guard
won the day