宇航合金

What Makes White Gold White? Many people associate the metal gold with the color gold. But, some gold jewelry is not golden at all: its white. 图片1 Golden Color Gold is one of the heaviest and softest metals. Pure gold, called 24-carat gold, is so

发表于:2018-12-05 / 阅读(54) / 评论(0) 分类 英语听力文摘 English Digest

That budget now stands at $5,400 million a yeara staggering sum, though somewhat less than we pay for cigarettes and cigars every year. Space expenditures will soon rise some more, from 40 cents per person per week to more than 50 cents a week for ev

发表于:2018-12-30 / 阅读(54) / 评论(0) 分类 名人励志英语演讲

个人情况: Name: ******** Sex: Male/Female Date of birth:June 2,1975 Address: ***** Marital Status: Single/Married Post Code: 100001 Height: 1.70M Weight: 50 kg Health: Excellent E-mail Address:

发表于:2019-01-06 / 阅读(43) / 评论(0) 分类 实用英语

Copper Metal Kills Viruses on Contact 铜能杀死细菌和病毒 Even in the world of medicine, what is old is new again. 医药界也刮起了复古风。 Thousands of years ago, Egyptians used it to sterilize drinking water. Ancient Romans, Aztecs

发表于:2019-01-12 / 阅读(116) / 评论(0) 分类 2016年VOA慢速英语(二)月

Nitinol Nitinol is one of the most extraordinary metals to be discovered this century: A simple alloy of nickel and titanium, nitinol has some perplexing properties. A metal with a memory, it can be made to remember any shape into which it is fashion

发表于:2019-02-17 / 阅读(64) / 评论(0) 分类 双语有声阅读

ArcelorMittal will launch a new high-strength automotive steel later this year, throwing down the gauntlet to its rivals in the race to make cars lighter. 安赛乐米塔尔(ArcelorMittal)将于今年晚些时候发布一款新型高强度汽车用钢,

发表于:2019-02-18 / 阅读(40) / 评论(0) 分类 英语新闻
学英语单词
acetized
acoustic emission transducer
afco
arsenical melanosis
art-expert
atire
aul wans
automatic programming
Aytre
Bacillus caucasicus
black brood
body of plane
bonus to employees
Bruguiera
cast accounts
chaiyasan
character-string data
coefficient of soil thermal conductivity
column void volume
coming out with
comparative reactivity
core pneumonia
counting geometry
crane on caterpillar truck
cuire
cyfluthrin
data code conversion
delauro
disherison
do one's whack
elevator pitch
error due to curvature of position circle
ethoxy-crotonate
fog prevention forest
foot-ups
freeswinging
G. R. Kirchhoff
geokinesis
geometric simulation
gospelers
Grandrieu
Graseef's phenomenon
half-pages
height of instrument
house plants
hyacinthine
laminarizators
lapwork
large area scintillation counter
lexical association
magnetic bow out
Maru, Pulau
May-bug
mental ages
methyltriethylsilane
miel
mitocromin
mortar paving
multiple image lenses
Musca domestica
myricaria dahurica ehrenb.
Niobe Seamount
nonundulating
off-shores
one-to-partial select ratio
open-handedly
over-sour
overestimating
pavlenko
Peakrel
periodick
platinum(iv) oxide
polyspecific
pond-weeds
racial characteristics
reserved space
rheopexy
Rhododendron faberi
sagging of paint
schenk
seismocardiographic
shable
sheepsy-wolvsy
signal overflow
Slätvik
snarlingly
sound decay curve
standard system
swetbread
tab receptacle
temperature versus time curve
time multiplex techniques
under one's spell
Unification Church
Union City
universal turning tool
valid judgement
venetian-glass
window recess
working earthing
Zafferano, C.
zero-error correction