磁粉探伤检测

听遍美国之空难性新闻[4]:20th Anniversary of Mt. St. Helens Eruption Twenty years ago a massive(1) blast(2) sideways from Mount St. Helens vaporized(3) forests in five thousand degree heat, flattened(4) hundreds of miles of timberland, and killed 57

发表于:2018-12-07 / 阅读(176) / 评论(0) 分类 听遍美国

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(197) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Don't be fooled by those big bovine eyes and the mouth slowly chewing cudcows have a magnetic personality. At least thats the claim made by German researchers in the

发表于:2018-12-24 / 阅读(182) / 评论(0) 分类 Scientific American(八)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(234) / 评论(0) 分类 每日攻克5词

Sixty years ago today, two men reached the summit of Mt Everest, the highest mountain in the world. They were the first people to do this and return alive. The men were New Zealander Edmund Hillary and Tensing Norgay from Nepal. They were part of a B

发表于:2018-12-31 / 阅读(147) / 评论(0) 分类 新西兰英语

Three months ago, Mt Tongariro erupted, sending a cloud of ash into the sky. Today the same thing happened and it happened suddenly, without any early signs or noise. Again it sent a cloud of ash into the sky, about 5000m high. Listen to August 8th 2

发表于:2018-12-31 / 阅读(150) / 评论(0) 分类 新西兰英语

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(480) / 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(245) / 评论(0) 分类 英汉幽默故事选读

Fermilab Scientists Optimistic About Finding Higgs Boson Particle Scientists at the CERN laboratory in Geneva, Switzerland say they are encouraged by new data suggesting their Large Hadron Collider, the world's most powerful atom-smasher, is one step

发表于:2019-01-13 / 阅读(156) / 评论(0) 分类 VOA标准英语2011年(十二月)

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(193) / 评论(0) 分类 VOA标准英语2008年(一月)

Last night Mt Hutt skifield was closed and about 1300 skiers had to spend the night on the floor of the lodge on the mountain. There is no sleeping accommodation on the mountain. Yesterday morning, the ski field opened as usual to skiers but by aroun

发表于:2019-02-03 / 阅读(232) / 评论(0) 分类 新西兰英语

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(171) / 评论(0) 分类 趣味英语

By Paul Sisco 07 December 2007 The Mount Washington observatory in (the northeastern U.S. state of) New Hampshire is a non-profit, scientific and educational institution with a mission to advance understanding of the Earth's climate systems. It also

发表于:2019-02-03 / 阅读(167) / 评论(0) 分类 VOA常速英语2007年(十二月)

Two buildings burnt to the ground early yesterday morning at Whakapapa Ski field which is on Mt Ruapehu. People who were staying in huts on the mountain woke around 1am Saturday morning to see a red sky. Some thought that Mt Ruapehu was erupting agai

发表于:2019-02-04 / 阅读(119) / 评论(0) 分类 新西兰英语

When Helen Clark left Parliament, the Labour Party announced there would be a by-election in Mt Albert to find a replacement MP. Russell Norman, co-leader of the Green Party, and John Boscawen of the ACT Party both want to be the MP for Mt Albert. Th

发表于:2019-02-05 / 阅读(120) / 评论(0) 分类 新西兰英语

The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field

发表于:2019-02-06 / 阅读(179) / 评论(0) 分类 英语新闻

As expected, David Shearer of the Labour Party, won the Mt Albert by-election yesterday. He received 63% of the vote. This was 12,615 votes. Melissa Lee of the National Party received only 3,426, the Green Party candidate received 2,418 while the ACT

发表于:2019-02-17 / 阅读(110) / 评论(0) 分类 新西兰英语

IN THE NEWS - Scientists May Have Found 'God Particle' 新闻报道 - 科学家们可能发现了上帝粒子 This is IN THE NEWS in VOA Special English. 这里是美国之音慢速英语新闻报道。 This week, scientists in Switzerland reported a

发表于:2019-02-18 / 阅读(179) / 评论(0) 分类 2012年VOA慢速英语(七)月

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(150) / 评论(0) 分类 每天三分钟学英语

The South Ridge on Aoraki Mt Cook has been re-named Hillary Ridge. This is to honour Sir Edmund Hillary who was in the group of four climbers who were first to climb along that ridge to the top the mountain in 1948. It took them 7 hours. Aoraki Mt Co

发表于:2019-02-25 / 阅读(173) / 评论(0) 分类 新西兰英语
学英语单词
above ground
acid resistant ceramics
actvity
African Methodist Episcopal Zion Church
air quality index
alternating current electric propulsion apparatus
altronic acid
analysis of variance component
arightness
armenian apostolic orthodox churches
asynchronous exit
atrovirens
autoreduction tacheometer
bicomponent filament yarn
bilge pump stud
blackfeet
blue print apparatus
bruyker
C.O. (commercial operation)
captain of the head
charring in pit
constant-level balloon
contact screw washer
crtical water content
data strategy description language
debit to individual account
declinometer
delayed fission neutron
depreciation policy
depth cue
Dionic
discerptibility
duelfer
ETK
exciting rush current
fan delta
fresh out
front axle beam
gang fighting
good shop
guffers
handbraked
hexahydrated
horsehair worms
hypoxic hypoxia
in spite of sb.'s teeth
know for
labate
laminated pearlite
landlopers
lap strake
lateral section
Le Chasseron
ligamenta capitis femoris
liquid measures
main memory space
make someone's life a hell
malecela
maximum-continuous rating
medicine boiler
neorationalism
network security component
non-interruptible supply
North Dell
northing line
o-fluoronitrobenzene
original calibration
palaelodid
parthenology
Phylloxera vitifoleae
Port twenty!
procedure call communication
product method
proserozym
pterosin
quarter circle orifice plate
rake-up ballast remover
rated power of electric motor
rheotan
rigid inflatable boat
sensory reception
siphon off the clean solution
sling dirt at
slurry separator
spreading angle of wedge tool
strumming
suer
Sulfadimethoxinum
sunspot minimum
ternary compound semiconductor
territorial subsoil
tilting machinery
transistor noise characteristic
Typhonium trifoliatum
unconditionally
uranium(vi) propoxide
value-added tax
vehiculates
vertical shaft development
vpl
weathered granite