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American inventor John Goodenough first started working on battery technology more than 40 years ago. Goodenough actually co-invented lithium-ion batteries in 1980. This eventually led to a revolution in the electronics industry because those devices

发表于:2019-01-02 / 阅读(50) / 评论(0) 分类 2017年VOA慢速英语(五)月

Parts of Chile are facing a growing water crisis. The Reuters news agency reports the government is taking steps to protect the countrys water supplies from mining operations. But for many years, the Chilean government approved water extraction right

发表于:2019-01-03 / 阅读(65) / 评论(0) 分类 2018年VOA慢速英语(九)月

pH - a measure of how acid or alkali a solution is. As the pH gets lower, the solution is more acid. At a pH of 7 the solution is neither acid nor alkali. pH is the inverse of the logarithm of the con

发表于:2019-01-03 / 阅读(59) / 评论(0) 分类 医务英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(四)月

Batteries That Last Forever Could Be Near 科学家研发可永久循环使用电池 We all have daily problems with technology, but how many of us can fix them? Mya Le Thai is a scientist studying at the University of California, Irvine. She recentl

发表于:2019-01-12 / 阅读(41) / 评论(0) 分类 2016年VOA慢速英语(五)月

Chances are, you plug in your phone before you go to bed at night, thinking it's best to greet the morning with a fully charged device. 晚上临睡前,你可能会给手机充上电,想着第二天早上看到一部电量满格的手机。 Is th

发表于:2019-02-13 / 阅读(109) / 评论(0) 分类 英语新闻
学英语单词
AAMDC
adirondack mts.
Anderson I.
antiglobalists
Arraias, Sa.de
asdic method
automatic explosion suppression system
Badenoch
baking enamel
Bersut
bigod
birth stools
branch unconditional
brickwork footing
calcinus pulcher
class-mates
close-the-deal
commurer
compound tool
contents retrieval
context-sensitive language
coproatibody
coultas
critical field of a counter tube
curselike
dent(a)-
direction parameter
drilling-off test
Dyer Bay
echinolittorina trochoides
eight-by-eight
exploding primer
fan blind
feed grain
flue gas temperature
fracturing equipment
get long
get-well cards
gnaw off
gold-foil
hectometre
hopfield bands
hyperpolyhedron
jolipeptin
laser-induced chemical vapor deposition
linfante
Lisfranc ligament
loading sleeve
MacRitchie Res.
mail matter with value declared
many
matching pad
microcomputer development system
mid-priced
mkiii
molaskey
multilevel storage hierarchy
nebrises
normalized detectivity (of a detector)
off dope
Online data entry
outline processor
outside clearance ratio
outwalking
overgroomed
paintjets
paleoconservatism
peripancreatic
photo-induced polymerization
physical half life
pick up one's courage
plane of coordinates
planospiral
plate link
play second paddle
polar cone
Portlandville
presbyopes
procuration fee
remove the ban on
rosiery
rotala hippuris
SAHDs
scientific analysis
Sinso
sphenoccipital
staph
t'u ?rh wu
TEPRAC
time and control code
tonitrophobia
Tumaco
turn radius
uninvent
United Nations Economic Commission for Africa
unseizable
unsoilably
voice navigation
west spot beam
whorification
xocolatl
ympn