分子束斯塔克效应

4. Why Hearty Women Outlive Men? The age-old riddle of why many women live longer than men has been solved. It's their pumping power, British researchers have found. On average, women live five years longer than men and women over the age of 60 are n

发表于:2018-11-30 / 阅读(207) / 评论(0) 分类 听美文故事记6级单词

1 emgenetics/em |n. |[U] a branch of biology dealing with heredity and genetic variations |遗传学 || ||Such work is considered essential in studying human genetics. |这种工作被认为在研究人类遗传学方面是很重要的。 || ||Advanc

发表于:2018-12-01 / 阅读(184) / 评论(0) 分类 新视野大学英语读写教程词汇 第四册

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(171) / 评论(0) 分类 VOA2003(下)-环境与健康

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 Scientific American(四)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(173) / 评论(0) 分类 不择手段背单词

The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.

发表于:2019-01-08 / 阅读(179) / 评论(0) 分类 Scientific American(十)月

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(231) / 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(356) / 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(242) / 评论(0) 分类 英美文化

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(251) / 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(201) / 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(184) / 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(193) / 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(194) / 评论(0) 分类 英语情景对话-旅馆

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(206) / 评论(0) 分类 2016年Scientific American(十)月

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(155) / 评论(0) 分类 卡卡课堂早餐英语

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(175) / 评论(0) 分类 英语每日一词

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(137) / 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(191) / 评论(0) 分类 阅读空间

Nicotine Enhances Effects of Cocaine A new study from Columbia University highlights the role of tobacco in cocaine addiction. The research indicates that nicotine may be a key gateway drug in a biological as well as a social context. Dr. Amir Levine

发表于:2019-02-12 / 阅读(155) / 评论(0) 分类 VOA标准英语2011年(十一月)
学英语单词
31-Norcyclolaudenol
adjustable speed transmission
aedes (aedimorphus) alboscutellatus
airpost
alloscutum
amphigonical gymnospore
antipornography
automatic picture transmission (apt)
average bale capacity
babbit-lined
buildup factor
can drier
census report
Centrolingual
chitooligosaccharides
cissero
classical allusion
comparability concept
conchie
convertor unit
cultivage
dorylas gracilis
dostyq (druzhba)
ehrhard
eight pack
ensors
extended isa
Ezri
ferghanite
fillet weld in the overhead position
finger rafted ice
fluorinating
flying-wing
function subprogram
genus Umbrina
give a warm welcome to
Goulia
hestercombe
heteropolar liquid
horizontal filter-well
immediate access memory
indecorously
Information superiority.
intermediate-frequency oscillator
intreatable
judgments in rem
kidwai
Klimovskaya
left ideal
Linux os
lowriders
magnetic tuning laser
mass-coloured dying
me time
microwave phase shifter
milliards
mollisia chamaecyparidis sawada
multiple spindle chucking automatics
mwami
Noah Webster
nonahedron
normal cable
nosepoking
offset time
ofor
Ole Miss
one-size
operational pollution
orientation control
overthought
parasite indices
petasos
photocopy print
pilot valves
post-enron
postventions
preamble line
rust preventive extreme pressure cutting oil
salvato
sandwiched packed bed
saturation magnetic induction
secondary bonding (composite)
Siegfried's hypothesis
small business engagement
space configuration
speary
Syrian bean caper
talks of
tambulin
tapharenchyma
telepath
Thomas's balsam
triedral
triisobutyltin fluoride
twin-steer
Valsavaranche
water-table theory
watershed transform
weekend repair
whiggishes
wing-spans
wire covering machine