射束劲度

This is Scientific American's 60-Second Science, I am Steve Mirsky, got a minute? You are pulling the tape off the roll and it starts to tear, or you are moving wallpaper and it refuses to strip off in strips or in what may be the most infuriating ca

发表于:2018-12-24 / 阅读(119) / 评论(0) 分类 Scientific American(三)月

beam, [bi:m] n 大梁(建筑中用作支撑的木材、金属或石头);光柱;臀围;平衡木 【船】横梁; 船幅; 船舷 (秤)杆; (犁)柄; (锄)把; 卷轴; 横杆; 杠杆 (鹿角的)主干 (灯光、日光、月光等的)束, 道,

发表于:2018-12-30 / 阅读(123) / 评论(0) 分类 不择手段背单词

1. Authorities in Utah say they found no signs of six trapped miners when they lowered a camera down to where they think the men are located. This is their second effort to make contact with the men. Yesterday a microphone was lowered down to a separ

发表于:2019-01-08 / 阅读(177) / 评论(0) 分类 美联社新闻一分钟2007

[00:00.00]change one's mind anyhow argument misunderstanding [00:05.09]改变注意 ad.不管怎样 n.辩论 n.误会,误解 [00:10.19]ashamed Cincinnati counter disappointment [00:14.72]a.惭愧,害臊 n.辛辛那提(美国城市) n.柜台 n.失望;

发表于:2019-01-08 / 阅读(295) / 评论(0) 分类 高中英语词汇

Bob Beamon established himself as the favourite in the 1968 long jump by winning 22 of 23 meets in the pre-Olympic season. He almost met with disaster in the qualifying round. After fouling his first two attempts, he had only one try left. His teamma

发表于:2019-01-08 / 阅读(189) / 评论(0) 分类 英美文化

This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi

发表于:2019-01-11 / 阅读(140) / 评论(0) 分类 VOA慢速英语2008(十)月

The ancient Japanese art of origami - or paper folding - is thriving today in San Francisco - thanks largely to an American scientist. Remember how much fun it was to play with paper airplanes as a kid? Most people give up those kinds of hobbies once

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2010年(三月)

Right on the beam To fly by the seat of his pants 美国英语当中有许多成语和俗语都和过去的历史有关系。例如,美国开拓西部的过程给美国语言增添了不少色彩。可

发表于:2019-01-14 / 阅读(195) / 评论(0) 分类 美国习惯用语

A: I'd like to order a restock on my minibar. B: You finished everything in there, sir? A: Absolutely everything. B: What would you like to order? A: Three bottles each of Perrier and Jim Beam. B: Uh-huh. What else do you want? A: The apples were gre

发表于:2019-01-15 / 阅读(151) / 评论(0) 分类 英语情景对话-旅馆

A: I need my minibar restocked. B: Everything is gone, sir? A: There's not a drop left of anything. B: Is there anything in particular you'd like? A: Yes, the Perrier and the Jim Beam hit the spot. Let me have three more of each. B: Got it. Anything

发表于:2019-01-15 / 阅读(136) / 评论(0) 分类 英语情景对话-旅馆

A: Hi. My minibar is empty. B: You already finished off everything, sir? A: I finished off everything. B: Would you like anything in particular? A: The Perrier and the Jim Beam. Let me have three more of each. B: Beam and Perrier. Anything else, sir?

发表于:2019-01-15 / 阅读(131) / 评论(0) 分类 英语情景对话-旅馆

A: Hello! How do I restock my minibar? B: You've drunk everything, sir? A: I finished it all. B: Do you want the whole minibar, or just certain items? A: Send me up three bottles each of Perrier and Jim Beam. B: That's three Jim Beams and three Perri

发表于:2019-01-15 / 阅读(141) / 评论(0) 分类 英语情景对话-旅馆

A: My minibar is completely empty. B: Everything in that minibar has been consumed, sir? A: Everything's gone. B: Is there anything special you'd like? A: Just bring me three bottles each of Jim Beam and Perrier. B: Okay, sir. Three of each. Would yo

发表于:2019-01-15 / 阅读(140) / 评论(0) 分类 英语情景对话-旅馆

smirk vi.傻笑; 假笑着说; grin v. 露齿而笑,咧着嘴笑 beam vi. 照射;堆满笑容 laugh v.哈哈大笑 register vt.表示,表达; (感情) 流露; 如果单纯从中文的翻译还是很难深刻理解这几种笑的不同,可以

发表于:2019-01-17 / 阅读(109) / 评论(0) 分类 卡卡课堂早餐英语

HEALTH REPORT - Drugs for Parkinson's Disease Linked to Urges to Gamble By Cynthia Kirk Broadcast: Wednesday, August 10, 2005 I'm Shep O'Neal with the VOA Special English Health Report. Parkinson dise

发表于:2019-01-30 / 阅读(134) / 评论(0) 分类 健康与经济

1. 动词be的否定式 动词be根据不同的人称和时态可以有am, is, are, was, were等不同形式,可用作连系动词(表示是、在等)和助动词(用于构成进行时态和被动语态等),但不管何种情况,构成否定式时

发表于:2019-02-02 / 阅读(88) / 评论(0) 分类 实用英语

Miami had an easy-going training session ahead of the game. James not even wearing his basketball sneakers. The Heat superstar practicing three point shots over and over again during much of the session. Dwyane Wade also looked easy. The 31-year-old

发表于:2019-02-03 / 阅读(154) / 评论(0) 分类 CCTV9英语新闻2013年07月

If you are someone who types a furious text message, only to reconsider and edit it before hitting send, you may be in trouble. The Beam Messenger app shows everything another person is typing in a text message as they type it. This means that if you

发表于:2019-02-06 / 阅读(95) / 评论(0) 分类 阅读空间

1.poker face 面无表情的人 例如: I never know whether my boss likes my work or not -- he is a real poker face! 我从来也不知道我的老板到底喜不喜欢我的工作。他脸上可真是一点表情都没有。 2.The shoe is on the

发表于:2019-02-09 / 阅读(139) / 评论(0) 分类 阅读空间

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄,传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(133) / 评论(0) 分类 经济学人科技系列
学英语单词
abinitio pilot
Academia Sinica
accustom
affirmly
apron band
astraglycan
at tubayq
Auenwald
bathrobed
be one's own worst enemy
benzimidazolium
beta-bend
billettings
bisporangium
blepharotomy
calymperes tahitense
carboxykinases
Chinese puzzles
chorophyllide
clinical mycology
complementary log-log transformation
control strategy for rule-based deduction system
cost and freight
counterrevolutionist
deniggerizes
dermoreaction
direct heated thermistor
discarg
dismayed
display mark
dobra
drawing device
dyschromasia
every variety of form
fadio-frequency
fairleader
fan-out line
fault program sensitive
fevers
fiber-seal
formal proof
geb
Guare, R.
hearth-fire
ignatow
Jeserig
junkera
last page
length of warranty
limited entry perforation technique
liquor level regulator
marker flip-flop
market discipline
material omission
meacher
mental nerve
methenamine allyl iodide
Molokane
Montgomery, Robert
motion compensation
N-ethylacetamide
National Ocean Survey
oaxacans
optical line terminal
orthopaedic surgery
Pacimone
parts dry
PDF - Portable Document Format
pear thrips
penydarren
phase-only hologram
phosphoresidues
pneumothorax in newborn
powder gravity
prepasted
pseudoleukoplakic vulvitis
pulsebeats
Quinaretic
Radoviš
rasenberger
Reform Judaism
reluctance synchronous motor
reshaving
road louse
sampling platform
section eihgt
seul
shell knife
sludge-blanket reactor
spermatic fluid
static oceanography
strategic road
Stypinelleae
tension transducer
thoracic bones
Thurlby
travelling jib crane
turning ability
unreflected reactor
voiue
waldzither
whisker pole