hydrogen azide
= hydrazoic acid

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(56) / 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

9月16日是墨西哥馆日,墨西哥馆五颜六色的风筝森林吸引了不少人的眼球,你知道小小的风筝里有什么大学问吗?其实风筝也有很多种分类哦,一起来看看吧。 说到kite这个单词,这也许是我们

发表于:2019-02-18 / 阅读(102) / 评论(0) 分类 英语口语

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
2-aminoethanol
aburachan seeds
Acobamba
acr(allowed cell rate)
alloiometric
Araltobe
BCG-osis
blood-lettings
bloodfest
boiler minimum combustion stable load rate
boldhead
Buffon, Comte de
cheekful
clock reading
come into effect
confocal central conics
Consell
counter-escalloped
countess of Lovelace
customs frontier
decay time of sinusoidal oscillation
decision-making cost
defining integration
donorcycles
Dunkirk Evacuation
dural sarcoma
epoxy powder coating
exponential convergence
facility manager
fluelike
flushing procedure
fulhams
Ginkgoaceae
gravity aqueduct
have not the foggiest
hepatic infarction
Hephaistos
hilson
hobo
icken
interior circuit
iron worker
jigger conveyor
kuria muria islands
lactic (acid) casein
Leaf-cushion
living marine resources
lophophoruss
low-power microscope
machine tower
magnetostriction cavitation corrosion test
make a fuss of
marine mollusc
mass of atmosphere
merkushev
morphean
neptunia oleracea lour.
newly-released
nickel-cadmium alkaline battery of accumulator
null reading method
pediatricss
photorespire
porfiry
port header
principle of increasing ductility
qualitative examination of ash
Queen Charlotte Str.
Ragwǒn
ramp angle
reactivity penalty
s.l.m.(strict low middling)
Sacagawean
satiation
screeny
semirigid cable
sheet-musics
sibby
single-vendor environment
size of population
soar upwards
sorting-out in statistics
statuarism
Steppe, the
straight stroke
subinstitutional
summated
swear by all that is holy
tanglefoam
taper seat valve
tooth-colored
tray delivery mechanism
tremble
truxene
unyield
vegetation ecology
wail over
Wang Xizhi
wedgeshaped
weldy
zonal crystals