振动式土钻,振动式挖穴机

By Gary Garriott Broadcast: November 3, 2003 This is Steve Ember with the VOA Special English Development Report. People have been recycling metals for hundreds of years. Today, re-using metal waste o

发表于:2018-12-01 / 阅读(171) / 评论(0) 分类 VOA2003(下)-发展与科学

EDUCATION REPORT - 'Iron Science Teacher' and More at the ExploratoriumBy Nancy Steinbach Broadcast: Thursday, July 27, 2006 This is the VOA Special English Education Report. The Exploratorium is hous

发表于:2019-01-02 / 阅读(50) / 评论(0) 分类 2006年慢速英语(七)月

DEVELOPMENT REPORT - Recycling Scrap Metal Into MoneyBy Gary Garriott Broadcast: Monday, July 31, 2006 This is the VOA Special English Development Report. People have been recycling metals for hundred

发表于:2019-01-02 / 阅读(54) / 评论(0) 分类 2006年慢速英语(七)月

The Streaming down the Yangtze team has arrived in the city of Tongling, Anhui Province. Owing to its copper deposits, it was an important center in ancient China for bronze production. The scale of the copper industry has gradually increased and it

发表于:2019-01-19 / 阅读(63) / 评论(0) 分类 2018CRI中国国际广播电台

Passage One 26. A. They were possibly caused by man. B. They were mostly caused by volcanoes. C. They were certainly caused by nature. D. We know nothing about their causes. 27. A. Afraid. B. Excited. C. Curious. D. Indifferent. 28. A. Copper and iro

发表于:2019-01-25 / 阅读(118) / 评论(0) 分类 英语四级听力-短对话

We now know that there are a lot of microbes living deep within the Earth, many of which have nothing at all to do with the organic world. 我们现在知道了,有大量微生物生活在地球内部的深处,其中许多与普通的有机世界毫

发表于:2019-02-17 / 阅读(24) / 评论(0) 分类 万物简史
学英语单词
about ship
across the way
acyl isethionic salt
additive preference
airing
alternated beds
amsler universal testing machine
Aneurophyton
aneutronics
annular combustor
atrata
back-hand drainage
barycenter of simplex
be sb's place
betrimming
bltn.
bow on
butter-fat content
Cogolludo
colour coordinate
control commands
Coriolis deflection
De Armanville
decapsulated
diisopropyl-IDA
dry cargo time charter freight rate
economic effects
eligible margin
end of period value
equal-appearing
finite clause
flow depth
fuel value
full parity
fusospirochete
general purpose data base
general-purpose test equipment
Gestormone
her
hereticate
high manganese steel
hydrogen outer cooling turbogenerator
immediate and deffered credit
infiltration tactics
infoanarchism
information booth
intercepted fifth
international union of maritime insurance
joint targeting coordination board
kazatins
keep current
Kielland's forceps
kinematic error
lecha
lienardia malleti
limnologists
Ludiomil
manner adverbs
medium-term Eurocredit market
membrane module
minicoms
nothing except
optical transient propagation
outgains
overpressure transient
overripe wood
oxido-
pen leg of compass
pillars of strength
Polypodium virgianum
post-road
potential trade distorting device
profit ratio of paid-in capital
progress of material wear
putty head
qenas
railway signaling equipment
ratification of treaties
rhamphoid cusp
rice character design
romang
rope bucket
s arrest
sapropel-type natural gas
saprophytic phase
senior management
set of exchange
skew conformation
sm steel
square-metre
stationary digit
steeply
stone-faced masonry
temperature association
thermodynamic
torsion coil spring
trade area
Tridesilon
turboprop flying boat
u.s.s
unwholeness
zilbergeld