高温电热合金丝

Almost any picture you see of a koala, they are hugging a tree. Its their classic pose. But did you know there was a reason for it? Well, researchers at the University of Melbourne in Australia have discovered why they do it. According to the scienti

发表于:2018-12-03 / 阅读(132) / 评论(0) 分类 轻松英文阅读

【今日基础词】Actually 【Transcript】 A: Working for four hours at a stretch really makes me tired. Why cant we have a break like many other companies? We need at least a tea break. B: Our boss is dead nuts on work. Keeping on working and ma

发表于:2018-12-05 / 阅读(108) / 评论(0) 分类 听基础单词练听力

'Metal Muscles' Flex a New Bionic Hand 德国科学家发明新的仿生手 Artificial limbs, including the most complex of them the human hand are getting more life-like and useful due to constant advances in tiny hydraulic, pneumatic and electric m

发表于:2018-12-16 / 阅读(107) / 评论(0) 分类 VOA标准英语2015年(七月)

1. diathermy /'daɪə,ɜːmɪ/ -- method of treating disease by genereating heat in body issues by high-frequency electric currents Diathermy may prescribed for arthritis, bursitis and other conditions requiring heat treatment. 关节炎、黏液囊炎

发表于:2018-12-30 / 阅读(142) / 评论(0) 分类 突破英文词汇

By Ted Landphair Washington 09 August 2007 Every day, American consumers are offered a simple choice when they areby a store's cashier: paper or plastic? But as VOA's Ted Landphair explains in today's searching for solutions report, some communities

发表于:2019-01-07 / 阅读(201) / 评论(0) 分类 2007年VOA标准英语(八月)

China is working on next-generation bullet trains with a maximum operational speed of 400 km per hour that will be ready by 2020 for markets linked to the Belt and Road Initiative, the country's top railway vehicle maker said. 国内最大的轨道客车

发表于:2019-01-07 / 阅读(268) / 评论(0) 分类 英语新闻

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(十)月

Does an ice-cold drink actually taste better than the same beverage at room temperature? Depends on what its taste is: a new study finds that the intensity of some flavors varies with temperature. The work is in the journal Chemosensory Perception. R

发表于:2019-01-08 / 阅读(126) / 评论(0) 分类 Scientific American(五)月

中文 英文 缩写 * (符) star (symbol) [美国]电气和电子工程师学会 Institute for Electrical and Electronic Engineers IEEE “请发码”信号

发表于:2019-01-08 / 阅读(241) / 评论(0) 分类 电信英语

1. On Wall Street, another volatile day. The Dow Jones Industrial is falling 733 points, the second largest point loss ever. Stocks dropped on disappointing economic news including a big drop in retail sales. 2. Tonight is the last time presidential

发表于:2019-01-11 / 阅读(458) / 评论(0) 分类 美联社新闻一分钟2008年(十)月

By David McAlary Washington 08 July 2006 Astronaut Mike Fossum, left, helps astronaut Piers Sellers, right, with tools in Discovery's payload bay during spacewalk, July 8, 2006 Two U.S. shuttle astronauts bounced at the end of a long pole in space S

发表于:2019-02-03 / 阅读(158) / 评论(0) 分类 2006年VOA标准英语(七月)

今天我们还要学几个美国总统大选中常用的习惯用语。我们曾经说过,英语词汇很多都来自体育运动。今天要学的第一个习惯用语就来自号称皇家运动的赛马: down to the wire。这里的wire指赛马跑

发表于:2019-02-04 / 阅读(223) / 评论(0) 分类 美国习惯用语

今天我们要学的词是down to the wire。 Down to the wire, 是直到最后一刻的意思。美国总统大选已经进入倒数计时,星期二一大早,全美各地的投票站就要开门了。 Presidential candidates McCain and Obama ar

发表于:2019-02-04 / 阅读(189) / 评论(0) 分类 英语每日一词

It happens every summer: offices turn on the air-conditioning, and women freeze into popsicles. But until now, there was no data to understand why women felt cold and were slipping on cardigans while men just rolled up their sleeves at the same tempe

发表于:2019-02-05 / 阅读(175) / 评论(0) 分类 英语新闻

Huawei announced a major breakthrough in its research into Li-ion batteries, unveiling the world's first long-lifespan graphene-assisted Li-ion battery able to withstand high temperatures. 华为近日宣布了其在锂离子电池研究方面的一个

发表于:2019-02-08 / 阅读(145) / 评论(0) 分类 英语新闻

Voice 1 Welcome to Spotlight. Im Adam Navis. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 It is August 7, 1974. A man stands

发表于:2019-02-14 / 阅读(202) / 评论(0) 分类 环球英语 Spotlight

Bird on a Wire 当我们行走在马路上时,经常可以看到成群的麻雀或乌鸦停落在几万伏的高压电线上,它们不仅不会触电,而且一个个显得悠闲自得。可是,你也知道,如果有人不小心碰到高压线

发表于:2019-02-24 / 阅读(186) / 评论(0) 分类 英语听力文摘 English Digest

LONDON, July 26 (Xinhua) -- It landed at Lands End on the extreme south-west coast of England 69 days ago and after making its way around the British Isles, the Olympic Torch finally reaches the Olympic stadium on Friday. When it reaches the end of i

发表于:2019-02-25 / 阅读(178) / 评论(0) 分类 英语新闻

Over the lights of sunset and vine We're floating away From the fortune and fame And your lips are mine They're raspberry wine Your body's a map I will follow into the sky Cause what you got Is all that I want It's all that I want And still that's no

发表于:2019-02-26 / 阅读(155) / 评论(0) 分类 美国乡村音乐

Sophie Madeleine - The Knitting Song 惬意的编织之歌 歌词: I'm going to knit myself a sweater. A sweater that will keep me warm at night. Just how many days here must I weather? Just biding my time... 'cause when I call you on the phone, I'

发表于:2019-03-13 / 阅读(265) / 评论(0) 分类 经典英文歌曲
学英语单词
a PJ
air cleaner pipe
almoners
anchor-clanker
arteriographically
astellabre
attainest
band elimination fillter
block briquette
blocker separator
braybrooke
bursa bicipitogastrocnemialis
chain device
Chegga
claims set-off
colo(u)r pattern
completed contract accounting
countercyclical tendency
cri-du-chat syndrome
criss
daily report of work
darenzepine
day disc
detailed prospecting
deviating wedge
distortion
dunegans
elaphoglossum conforme
embedded ruler
eslami
exposure of child
fattens
French bolt
fruit-stones
gating method
guided missile frigates
half-burieds
heavy traffic route
helper verbs
heptanamido
high voltage electrostatic field
homogeneous space
hot-wire telephone
hyposternum
immediate participation guarantee contract
impact epoch
instability index
integrating comb method
interchangable
interlocutional
interrobangs
john taverner
lamond
lawyerbushes
lymphoblastomatous
lysobactins
m'lud
Mandaic
metsovone
minimum coded unit
misconstruer
mixed-bed system
multiple-rod reactor
Nausen
nedles
net migration
nethertheless
non-officials
old-country
Orostachys chanetii
pettifoggers
phosphoribosylglycinamide
plant hardware design criteris
production-sharing
pseudomembranous enterccolitis
ranged
ready lifeboat
reinhabiting
residual dome
retiferous
rh antibodies
rigid body
run-through ruling
salad year
sinfonia concertante
steering grommet
stuts
sub-bituminous coals
supernmerary mammae
tax income
testing fee
tha
theologizes
type declaration
upper feed rake
valuation models
wash ... out
wave-particle resonance
Willmore seismograph
wound rotor
woven geotextile
Zanzibar South Reg.