正(相)序电压, 正(相)序电压

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its the time of year to take a look backand thats just what the journal Science did as they listed their most important breakthroughs of 2008. At the v

发表于:2018-12-02 / 阅读(165) / 评论(0) 分类 Scientific American(十二)月

图片 by Jason Marshall Its not often someone suggests that knowing some math could make you the life of the party, but thats exactly what Im going to do. Yes, a properly timed delivery of a few fun facts about the famed Fibonacci sequence just migh

发表于:2018-12-07 / 阅读(160) / 评论(0) 分类 数学英语

US Military's Language School Draws Positive Attention It is hard to believe that the young U.S. military service members at the school are speaking the most difficult language in the world - Mandarin - fluently. They're among about 3,500 students wh

发表于:2018-12-16 / 阅读(105) / 评论(0) 分类 VOA标准英语2012年(七月)

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,

发表于:2018-12-24 / 阅读(213) / 评论(0) 分类 Scientific American(十)月

Describing Order and Sequence Patrick: Okay, your first task is to put all of these files in order. Maya: Wow, there must be hundreds of files in this storeroom. How am I supposed to organize them? Patrick: Create a basic filing system. Put things in

发表于:2018-12-27 / 阅读(162) / 评论(0) 分类 2014年ESL之商务英语

by Jason Marshall In the last few articles, weve talked about fractions and percentages, and soon enough well see that these ideas naturally lead us into the world of decimal numbers. But before we head down that path, lets take a quick detour to tal

发表于:2019-01-02 / 阅读(211) / 评论(0) 分类 数学英语

By Jim Malone The U.S. presidential election campaign has entered a new phase, with both major party candidates criss-crossing the country in search of votes. After ceding the week to John Kerry and t

发表于:2019-01-03 / 阅读(160) / 评论(0) 分类 VOA2004(下)--美国大选

《Morning Phase》是Beck于2014年02月24日发行的第12张专辑。2015年第57届格莱美颁奖典礼上,Beck凭借《Morning Phase》获得最佳摇滚专辑奖以及年度专辑奖两项格莱美大奖。 Morning - Beck Woke up this mornin

发表于:2019-01-03 / 阅读(164) / 评论(0) 分类 格莱美获奖歌曲

India election starts final phase 印度大选迎来最后角逐 India has entered the final phase of its marathon general election, with 107m voters eligible (有资格的,合格的) to cast ballots. (不记名票) Voting is taking place in 86 constituencies (选

发表于:2019-01-07 / 阅读(196) / 评论(0) 分类 英语新闻

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

发表于:2019-01-08 / 阅读(174) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(五)月

古埃及金字塔是奴隶制帝王的陵墓,最宏大的当为吉萨三座大金字塔。塔基呈方形,每边长230米,高146米,用230余万块巨石(每块平均重达2.5吨)垒成,国王墓室用一块400吨重的石板垒成。整体规

发表于:2019-02-01 / 阅读(132) / 评论(0) 分类 阅读空间

今天我们要学的词是phase out。 Phase out, 是逐步结束的意思。世界上最年轻的国家南苏丹独立后宣布,学校教育将逐步淘汰阿拉伯语,改用英语教学。 The government of South Sudan announced it will phase

发表于:2019-02-05 / 阅读(166) / 评论(0) 分类 英语单词荟萃

TUNIS, Oct. 8 (Xinhua) -- Tunisia qualified for the final phase of the 2012 African Nations Football Cup after beating Togo 2-0 on Saturday at the Rades Olympic stadium near Tunis. The Carthage Eagles took the lead with goals by Walid Hichri in the 1

发表于:2019-02-05 / 阅读(168) / 评论(0) 分类 英语新闻

The International Monetary Fund says the U.S. economy is struggling to overcome sluggish growth due to an unresolved government debt crisis and weaknesses in the housing market and household finances. In a report released Tuesday, the IMF downgraded

发表于:2019-02-05 / 阅读(156) / 评论(0) 分类 英语新闻

BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear

发表于:2019-02-08 / 阅读(179) / 评论(0) 分类 英语新闻

今天我们要学的词组是phase out。Phase out,意思是逐渐淘汰、停止。The chief executive of General Motors cautioned against the growing trend of officials in China and a number of other countries of making plans to phase out sales

发表于:2019-02-16 / 阅读(116) / 评论(0) 分类 英语单词荟萃

Listen to the schedule of a business trip. Fill in numbers l-8 to point out the sequence of the schedule. I'm leaving for Milan on the 7th of June. l'II arrive there on the 8th evening at about 7:OOpm. Then, l'II take a shuttle bus to the hotel. On t

发表于:2019-02-17 / 阅读(139) / 评论(0) 分类 英语听力练习题

Listen to the dialogues and write the correct sequence of l-6 as mentioned in the dialogues. A:How do I search books from the computer? B:First, key in your PIN number. Then, it goes to the Library's Homepage. Then, you can choose any way you want to

发表于:2019-02-17 / 阅读(117) / 评论(0) 分类 英语听力练习题

Thank you for being here,Fareed.Nice to have you on the show. 多谢你抽空前来 法里德 很高兴你能来上节目 Let's get started first with your background.I do think I know a lot about you. 首先聊聊你的背景 我觉得我很了解你

发表于:2019-02-23 / 阅读(166) / 评论(0) 分类 柯南脱口秀
学英语单词
absolute diskette read
acid concentraion
adjust fire
anandamides
arc furnace platform
arse around
audit technique
auxiliary contactor switch
bakeable
balling (scale)
barchan
Barney Rubble
be in type
biarticulatus
bleed-out
cargo handling operation line
combustion-fired power plant
concurrent control count
cubic trapped ion cell
curstest
cutoff frequency of waveguide
damning
design-in
diffusion of excitation
donnay
Douglas, Norman
dump pipe
Durankulak
dynamic stochastic content
eddington transfer equation
epidurals
fancy-jersey machine
form block
genus Adalia
geopetal structure
glossoptoses
grade-six
highly parallel microprogrammable system
Hwajeon
imaginaries frequency
importees
in-core detector cutter
interpersonal intelligence
intervenients
intrathoracic thyroid gland
isaria cryptotympanae
isothermal collapse
itchiness
key contract
make contributions
mansanillo
mechanical facilities of irrigation and drainage
Melianthaceae
metallic-nonmetallic O-ring seal
muscles of abdomen
nernst ettingshausen effect
neutron induced damage
nine-fifteen
non-hazardous area
nonstorage device
off-bearing
oil seal plate
oil shock absorber
older sisters
oligomerisation
operating test
order Coraciiformes
peat bog
permanent sound
picary
porphyrins
precipitation barrier
prenatal culture
primary coverts
pseudo-convex domain
rail winch
resegregation
REV (revolutions)
roseine
run time diagnostic message
rurangaranga
Salève, Mt.
Scyros
shell auger
singe one's wings
single-beam spectrometer
sneakings
sound defect
soygne
spring-loaded oil seal
static catalog
Taunus Mountains
terminator group
top-most element
touch-box
two-path feedback
Témiscamie R.
vibration of air column
vitidaceaes
water-pipes
WEP - Wired Equivalent Privacy
Wikstroemia micrantha