比角动量

ROBERT SIEGEL, HOST: There are museums, and then, there are wonderfully specific museums. We're talking about such institutions as the American Toby Jug Museum, the German Watering Can Museum and, of course, the U.S. National Tick Museum. All of thes

发表于:2018-12-18 / 阅读(118) / 评论(0) 分类 2017年NPR美国国家公共电台6月

And lastly, here's Destin, from Smarter Every Day, 最后是《每天聪明一点点》的德斯丁, talking about the conservation of angular momentum, and, since it's YouTube, cats: 为我们讲述动量守恒,由于是在YouTube上,所以他用

发表于:2018-12-30 / 阅读(139) / 评论(0) 分类 TED演讲科技篇

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? If you're too tired to think straight, it might be because parts of your brain are already asleep at the wheel. A team of neuroscientists from Washington State Unive

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(十一)月

Using the Right Article What word appears most often in English? It's the, also known as the definite article. Its partner, the indefinite article a, is also among the top 10 most frequent words in English. According to Professor Elka Todeva of the S

发表于:2019-01-12 / 阅读(113) / 评论(0) 分类 2016年VOA慢速英语(三)月

By David Gollust Jerusalem 01 August 2007 U.S. Secretary of State Condoleezza Rice held talks with senior Israeli officials Wednesday to try to restore momentum to the Israeli-Palestinian peace process. She came to Jerusalem from Saudi Arabia, where

发表于:2019-01-13 / 阅读(181) / 评论(0) 分类 2007年VOA标准英语(八月)

李华正在兴致勃勃地给Larry将她去看医生的经过,没想到被Larry泼了一盆冷水。李华今天要学两个常用语,TMI和PDQ 。 LL: Oh, Li Hua, that is really TMI. I'm sorry you had to go to the doctor, but I really don't wan

发表于:2019-01-15 / 阅读(92) / 评论(0) 分类 美国之音《流行美语》

商务相关专业术语 Price discretion 价格自主权 Sunk cost 旁置成本,滞留成本,沉没成本 Marginal cost 边际成本 Offset 抵消,补偿 Functional migration 职能转移 Procurement 物资采购 A local firm that is verticall

发表于:2019-01-15 / 阅读(121) / 评论(0) 分类 实用英语

By Jim Malone Washington 13 February 2008 Senator Barack Obama got a major boost Tuesday with victories in the Democratic presidential primaries in Maryland, Virginia and the District of Columbia. Obama remains in a tight race with Senator Hillary Cl

发表于:2019-01-19 / 阅读(114) / 评论(0) 分类 VOA常速英语2008年(二月)

Itsremarkable how we are able to build up this picture of whats going on millionsof miles away in the solar system. Its one of the joys of science really, justalmost like a detective picking up on those tiny clues to tell a bigger story. Sothat the b

发表于:2019-01-23 / 阅读(121) / 评论(0) 分类 探索与发现2014年

For our 10th anniversary my wife and I vacationed in Hawaii, where we went snorkeling. After an hour in the water everyone got back on the boat, except for one beautiful young woman and me. As I conti

发表于:2019-01-29 / 阅读(131) / 评论(0) 分类 趣味英语

你焦虑吗小心抑郁症哦! Most psychotherapists would agree that depression is anger and sadness that has been repressed. And it can lead to a state where the afflicted feel there is nothing they can do to change their situation. A hopelessne

发表于:2019-02-01 / 阅读(108) / 评论(0) 分类 实用英语

今天我们要学的词是momentum。 Momentum, 是势头的意思。 To gather momentum, 势头大增,to lose momentum, 势头减弱。美国前阿肯色州州长赫卡比在爱奥华州的基层党团会议选举中排名第一。No other candid

发表于:2019-02-04 / 阅读(109) / 评论(0) 分类 英语每日一词

It seems like everyone is using Twitter these days. You know, sharing little messages with each other on phones and computers. It turns out that all these little messages, if you look at them all at once, become an easy way to find people, news and t

发表于:2019-02-05 / 阅读(95) / 评论(0) 分类 英语万花筒

According to Ric Edelman, author of Ordinary People, Extraordinary Wealth, the purpose of a rsum is not to get a job, it's to get an interviewyou will get the job. A rsum should not list all your skills, but rather tease the employer with your achiev

发表于:2019-02-06 / 阅读(127) / 评论(0) 分类 实用英语

Because writers have a various ways of writing, a variety of reasons can cause writer's block. When you are blocked, consider these causes and try the strategies that sound most promising. IF You have attempted to begin a paper without doing any prel

发表于:2019-02-13 / 阅读(128) / 评论(0) 分类 实用英语

natality 生育 fertility 生育率 fecundity 生育能力 birth rate, natality rate 出生率 births 出生人数 parity 胎次 premature birth 早产 life birth 活产 stillbirth 死产 birth peaks 出生高峰 mortality 死亡 mortality rate 死亡率

发表于:2019-02-18 / 阅读(136) / 评论(0) 分类 实用英语

The purpose of a letter of applicationis to help the applicant obtain the job he is interested in. It should state clearly what position the applicant wants, and should tell what his abilities are and what he has to offer. It should provide a quick,

发表于:2019-02-18 / 阅读(145) / 评论(0) 分类 实用英语

1. Tell me about yourself! 对策:Keep your answer to one or two minutes; don't ramble. Use your resume summary as a base to start from.. 2. What do you know about our company? 对策:Do your homework before the interview! Spend some time online

发表于:2019-02-18 / 阅读(176) / 评论(0) 分类 实用英语

有人常会觉得小孩子学语言学得比大人快,为什么呢?因为小孩子学语言不像我们死记文法,苦背单字。他们就是用所谓的pick up,看在什么场合,别人用什么字,就一个一个把它记下来。这样

发表于:2019-03-05 / 阅读(158) / 评论(0) 分类 英语口语

Larry告诉李华他连续几天给他哥哥打电话,可是总也找不到他。 LH: Larry, 你那么急着找你哥哥,有要紧的事吗? LL: No, not really. I just want to chit chat. LH: Chit chat是什么意思啊? LL: To Chit Chat is to t

发表于:2019-03-12 / 阅读(226) / 评论(0) 分类 英语口语
学英语单词
abatages
aclutter
addai
Andumine
antidyne
arrester without gaps
automatic track follower
axis of the celestial sphere
be sopped to the skin
beflutter
Bike.
biothalmy
captain's sea protest
cefalosporins
chute feed
classical sampling theory
cleruchies
clock pulse generator
closed shipping crate
confalone
control area
coslet
cost basis (of accounting)
dibutyltin diacetate
Dlairi
Dover Castle
Draguignan
dynamic polar
econom washing machine
elastoma intrapapillare perforans verruciforme
electrical variable
electronic erosion
elevator link
ensemble correlation functions
exophoras
expandeth
finger lakess
flat film
floral envelopes
forward operations base
functional root
garbage mitt
genus Corynebacterium
Geometroidea
ghizite
gingivolinguoaxial
golden b.
Good wine needs no bush
harney pk.
hasso
heteromorphous rock
high vacuum coating machine
hormone tests
IDCTP
kalgoorlie-boulder
Karley
klimaszewski
Knapp streaks
left ventricle-right auricle canal
Ligustrum gracile
lobaria kurokawae
luminous spot
merchandise priced below cost
motor driven welding machine
mouthishly
multiscanning
natural rock jointing
non-precious
noncomputerized
one-keys
overcoating
party schools
pfropfhebephrenia
ploceidaes
Portuguese ipecacuanha
power-actuated control
problem persistence
provitamin d
pseudo-elastic approximation
put to fire and sword
radiotungsten
remote memory
screw-top
sealed beam unit
sectional splint
semiplacenta diffusa
separation strip
set of inequalities
shock into
sleazing
supergrids
Tai Hang
third secretary
tiger's-foot
toe-rags
transgene coplacement
wale shore
Ware County
way to fly
wizard sleeves
Yanonge
Zoula