un. 半酸性耐火砖

By Gary Garriott Broadcast: September 15, 2003 This is Robert Covent with the VOA Special English Development Report. 1)Clay is found almost everywhere in the world. It is formed by the action of wind

发表于:2018-12-01 / 阅读(461) / 评论(0) 分类 VOA2003(下)-发展与科学

A young and successful executive was traveling down a neighborhood street, going a bit too fast in his new Jaguar. He was watching for kids darting out from between parked cars and slowed down when he thought he saw something. As his car passed, no c

发表于:2018-12-31 / 阅读(107) / 评论(0) 分类 我们都是有故事的人之生而为赢

There was a handful of clay in the bank of a river. It was only common clay, coarse and heavy; but it had high thoughts of its own value, and wonderful dreams of the great place which it was to fill in the world when the time came for its virtues to

发表于:2019-01-11 / 阅读(84) / 评论(0) 分类 阅读空间

Lesson 44 How Bricks Are Made 第44课 砖是怎么做出来的 We know that bricks are made of burned clay; but let us try to learn something more about them. Have you ever measured a brick? If you do so, you will find that its length is nine inches

发表于:2019-02-13 / 阅读(56) / 评论(0) 分类 英国学生科学读本

What has become of the water? Dry clay is full of tiny pores, and it has sucked up the water into its pores. 水上哪儿去了?干燥的粘土满是细小的孔洞,把水都吸到孔洞里去了。 Now let us mould our lump of soft clay into the

发表于:2019-02-13 / 阅读(47) / 评论(0) 分类 英国学生科学读本

Science and technology 科学技术 Materials science 材料科学 Don't slag it off 废渣别融掉 How to make bricks out of industrial waste 怎样用工业废渣制造砖块 BUILDING houses and offices out of toxic waste sounds like a pretty ecce

发表于:2019-02-16 / 阅读(37) / 评论(0) 分类 经济学人科技系列
学英语单词
ait mohad-berber
albizia julibrissin durazz.
angle between teeth
Anschutz gyro compass
approximate straight-line mechanism
Arachnida
artistly
at weekend
azimuth prism
binder drying oven
blastp
bolshoy kokovichi
built-in compression ratio
cable-connecteds
catalimetic titration
cellularization
Cerapteryx
choledocho-fiberscope
clarion
cleft-tongue
cluster munition
conduct an enterprise
covac
d'ache
Davidson Bank
deniz
dewey decimal classifications
dinch
discount of bill
done to the world wide
economic curve
edeine
effective emissivity
extractive reaction
facies labialis buccalis
fiber bush
flexible electron multiplier
flip-flap system
Furnivall, Frederick James
hallmarks
Hard reboot
hasty march
hini
home-stays
inhabitiveness
invariant integral on compact group
invisible government
jiggles
lesesne
liege poustie
linearized flow
long-term astern condition
macaroni-eating
madders
Mancini
monthly return
mountain accentor
muddy road
nabucco
Narembeen
nationaux
net book value of fixed assets
nonrecurring gains and loss
not in this lifetime
oceanic heat transport
opiniasters
order anaspidas
pedestrian signal
photo-imaging
picower
plate-fin exchanger
polysporean
post election
professional licence
proneustic
publishee
Pårtefjället
racewalkers
raised cosine pulse
Rayleigh ratio
Reithrodontomys
repayabler
repumicate
resource compiler
rigid axle
rough-legged buzzards
semantic truth
semi-simple module
setting test
socket 6
solvent flattening
stannanes
strigidaes
subligation
sulfocilline
tesserae
theory of large scale system
Tickton
touseled
tsouho formation
variable-range hopping
wall curvature