烃异构化(作用)

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(66) / 评论(0) 分类 Scientific American(二)月

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(358) / 评论(0) 分类 2017年VOA慢速英语(六)月

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver

发表于:2019-01-11 / 阅读(124) / 评论(0) 分类 英汉幽默故事选读

By Carol Pearson Washington 08 January 2008 New technology makes surgery safer, shortens recovery time and leaves no scars. Both physicians and patients are pleased with the results. VOA's Carol Pearson has more. Maria Viruet recently had her gallbla

发表于:2019-01-31 / 阅读(73) / 评论(0) 分类 VOA标准英语2008年(一月)

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver handle the situation, we wondered. Straight-faced,

发表于:2019-02-03 / 阅读(66) / 评论(0) 分类 趣味英语

知识点讲解: 1、中文意思一样 insist persist 2、两个词长得像 special specialty 3、长得像+中文意思一样 technique technology ① Technique 方法、技巧 Hes a great basketball player. He has flawless technique. 他是位很

发表于:2019-02-21 / 阅读(59) / 评论(0) 分类 每天三分钟学英语
学英语单词
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apparent infection
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balance line
bankrupts
bartingtons
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borating
bring on stream
bronchus segmentalis apicalis
bulgarias
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carsley
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cloak and dagger
Committee on Rules of Origin
Corydalis nemoralis
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crotalaria juncea
cutout relay armature
deferred revenue expenditure
digital read-out machine
dirt proof boot
distributed component
disturb by
double face planer
e unsatisfiability
electrico-meteorological
elevation-capacity relation
equation of time
estimated salvage value
Exirel
fan bearing
gastroenteritis
generalized nodal force
gentamicin-resistance
genus Lophosoria
graft vs. host reaction
Harlan County Lake
hexagonal web
Iamara
intercolpium
ivy families
Java card Java
jny
joist anchor
kasei
kippered fish
laminated leaf-spring
lipoma of liver
low-oil content transformer
make a fool of yourself
manties
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michelins
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octacosane
optical wedge micrometer
Ownerships Conflict of Law
oyes
pea pods
peculium profectium
petal of rose
photoelimination
plocoid
pool-type pressure suppression system
presevo
pseudomictic
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Tanama
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