磁粉探伤检测

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

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 kneel [ ni:l ] She knelt to pray. v. 跪

发表于:2018-12-30 / 阅读(84) / 评论(0) 分类 每日攻克5词

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
学英语单词
a-swirl
across-the-board percentage reduction
Adie's tonic pupil
aggravations
Aircraft Industries Association of America
Alafin
Anostomidae
Anschtz thermometers
antilobium
apple honey
auxilin
booking note
bribablest
cane
carcoplasm
Carlina biebersteinii
centres on
chip marks
chlorocholesterol
chocolaty
coefficient of direction
coronal of the Galaxy
corrosion-resisting alloy
creamed mushroom soup
critical equipment
cut sb off with a shilling
dematerialised
deplorability
depth of cut
diller
distichophyllum pseudomalayense
drag acceleration
ex-intricate
expelees
factor XII deficiency
fellatrix
finite binomial sampling plan
fire foam
five-hitter
genus cereuss
ground telemetry subsystem
guadalupan
hadje
hallali
have seen
heathliker
high rise manifold
hydrophysical
indented bolt
induced field
induction instrument
james huttons
Johns Hopkins Inlet
Lakkopetra
lengthening inductance
lesser circuIation
ligamenta collateralia interdigitalia
Lysimachia vulgaris
madetomeasure
melanthy
Mendel's second law
microtron resonator
Minimize icon
Mumsnet
Nabunturan
negrofy
nil interference
one-child certificate
one-off item
parallel protractor
pentitol
polyphase machine
prothrombase
provisional ectoderm
remargin
salt incrustation
semi-hermetic screw chiller
serpent-type
sevigny
Shamash-shum-ukin
Simle
single acting steam engine
solar seeing monitor
spoilage bacteria
supercallosal fissure
supraneuston
table of curriculum
tail general
tetrahydroxy-quinone
the wrong track
tin-lead bonding
transverse current travelling wavetube
unit cast
unplatonically
unrejected
unspecified bit rate
urinating
visiere
wellmanned
wipe the floor with someone
X-ray emission gage
Zimmermann