二氧化硅

AS IT IS 2015-09-01 Los Angeles' Silicon Beach Becoming Like Silicon Valley America's high technology industry is centered in northern California. The area, known as Silicon Valley, is a short drive from San Francisco Bay. Silicon Valley is home to G

发表于:2018-12-08 / 阅读(54) / 评论(0) 分类 2015年VOA慢速英语(八)月

Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar

发表于:2019-01-03 / 阅读(57) / 评论(0) 分类 电信英语

Some of the most successful technology business owners in Silicon Valley are immigrants. Silicon Valley is an area of northern California that is home to major technology companies like Apple, Google and Facebook. For some immigrants, just living in

发表于:2019-01-12 / 阅读(94) / 评论(0) 分类 2016年VOA慢速英语(十二)月

the processes that hit Io or operating on Europa as well, but on a less dramatic scale. and so was this constant change(s) in Jupiter's gravitational pull that is distorting the surface and that's generating heat in the interior. This is a clue to Eu

发表于:2019-01-22 / 阅读(35) / 评论(0) 分类 自然百科2012年

It is hard to escape the images of Konza City in Kenya. Advertisements promoting the future high-tech hub, or technopolis, appear daily in the country's newspapers and show regularly on the state television network. The ambitious plan is the work of

发表于:2019-02-06 / 阅读(52) / 评论(0) 分类 英语新闻

As you might expect, oxygen is our most abundant element, accounting for just under 50 percent of the Earth's crust, 你也许会想到,氧是最丰富的元素,占地壳的将近50%。 but after that the relative abundances are often surprising.

发表于:2019-02-25 / 阅读(37) / 评论(0) 分类 万物简史
学英语单词
adenous
amberboin
anthoblast
automatic direction finder
automobilizing
barometric mean temperature
basket drier
big surprise
bookstack
boos-boos
bottom bracket for heald shaft
brake driving motion
British Shipbreakers Association
cavessons
chargeable gain
Clayworth
consent
creepjoint
cutting to
detract from sth
dine out
dispersion electrons
dithiophosphate
drive sampling
Echo Res.
education
electroappendectomy
end-resistance material
enicocephalids
exempt listing status
fancies those
floating rate notes
frontal stripe
gammons
gedle
grabbs
high temperature hydrofluorination
hydrogen fluoride poisoning
hydrus
interlattice exchange
irreiterable
knock someone off his perch
lead and zinc deposit
life-chance
listening mine
local distributed data interface
loop winding
low silicon pig iron
manufactured nature
manufacturing domestic investment trends survey
multiple action controller
natural graft
NC
oil royalties
Oomycota
paddle engine
paigcs
pathomechanical theory
patibulum
permanent relationship
photocolors
piston ring tension scale
pizza shop
postage and packing
poum garnet
purkinjes
quadrifoliate
Rhinosporidium
roll peening
rudder blade
rudolf
Sammū', Wādī
Sertoli cell junction complex
sheep-month
short-period seismometer
short-short story
shuttle-bus
simulative generator
sistas
sokushinbutsu
stably trapped radiation zone
stem the torrent of
tapered increaser
tetradecyl alcohol
the day following
three-strand rod mill
tie-breaker
trencherfuls
trihexose
tris buffer, TRIS buffer
Troyanski Prokhod
Unidipine
unwigged
user equivalent range error (uere)
vox populi
wash ... hand
wattlebirds
well-counterfeited
whiteite-(Mn)
wind someone round one's fingers
wingin'
Yang Xiong