定向发射率

Without the Sun we wouldnt be here. It is the source of our heat, light and energy. It is enormous, bigger than we could imagine; yet its very small compared to other suns in the universe. Its unbelievable to think how much the sun burns. Its just a

发表于:2018-12-04 / 阅读(128) / 评论(0) 分类 听一分钟英文-S

A: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: our guest is linguist Geoff Nunberg. He's been listening to how Americans debate issues, and there's a particular word he often finds they invoke: sensitivities. GEOFF NUNBERG: It'

发表于:2018-12-04 / 阅读(109) / 评论(0) 分类 词汇大师(Wordmaster)

STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we tell about Hoover Dam. It was the largest and most difficult structure of its kind ever built when work started in nineteen thir

发表于:2018-12-07 / 阅读(104) / 评论(0) 分类 2010年VOA慢速英语(十)月

This is the VOA Special English Health Report. Doctors currently identify autism disorders by observing behavior. Autism affects social and communication skills. It usually first appears in young children. Now, researchers in the United States think

发表于:2018-12-15 / 阅读(144) / 评论(0) 分类 2010年VOA慢速英语(十二)月

At 75, Seminal US Composer Still Inspires American composer Steve Reich turned 75 this year. The so-called minimalist credits jazz, African drumming and Balinese gamelan as inspirations. His music - from experimental tape loops to the Pulitzer prize-

发表于:2018-12-16 / 阅读(108) / 评论(0) 分类 VOA标准英语2011年(十一月)

Amanandhissonwereridinginthecar. Themansaidtohisson,Couldyoucheckandseeifthedirectionlightsareworkingonyoursideofthecar? Hissonlookedoutthewindowandsaid,Yes,no,yes,no,yes,no,yes,no... Notes: 1.Amanandhissonwereridinginthecar. 有一个男人和他儿子

发表于:2018-12-26 / 阅读(111) / 评论(0) 分类 英语笑话(MP3+文本)

Grammar Girl here. Today's topic is semicolons. I get questions about semicolons a lot, so it's time to clear up some confusion. Semicolons separate things. Most commonly, they separate two main clauses that are closely related to each other but that

发表于:2019-01-02 / 阅读(115) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. In honor of the increased show production schedule, today's topic is biweekly versus semiweekly. How to Remember the Definitions of Bi- and Semi- The prefixes bi- and semi- are different. Bi- means two and semi- means half. You can

发表于:2019-01-02 / 阅读(92) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Surprise! You get a bonus show today because Thursday is National Punctuation Day and I'm going to have a slightly different kind of podcast to celebrate. Today's topic is semicolons. I get a lot of questions about semicolons, so i

发表于:2019-01-02 / 阅读(125) / 评论(0) 分类 英语语法 Grammar Girl

中文 英文 缩写 顶侧板 top-side door 顶盖 top cover 顶面板 top panel 定长方式 fixed-length mode 定长码 fixed-length code 定界符 delimiter 定力矩扳手 torque wrench 定时 ti

发表于:2019-01-03 / 阅读(112) / 评论(0) 分类 电信英语

注释: Defense Secretary 国防部长 sovereignty [5sCvrinti] n. 主权 Iraqi [i5rB:ki] adj. 伊拉克的 casualty [5kAVjuElti] n. 伤亡 thug [WQ^] n. 暴徒 assassin [E5sAsin] n. 暗杀者,刺客

发表于:2019-01-11 / 阅读(118) / 评论(0) 分类 VOA2004(上)--各类新闻

Pakistani troops have killed at least 84 Taliban fighters and lost five of soldiers in two days of clashes in a northwestern tribal region believed to be a militant stronghold. Top military officials in Pakistan say that clashes in the Orakzai tribal

发表于:2019-01-13 / 阅读(110) / 评论(0) 分类 VOA标准英语2010年(三月)

Radio Essays Explore Technological Creativity There are mechanisms in nature as well as in human endeavors like engineering and art. Since 1988, the creative manipulation of these mechanisms has been explored in short radio essays about the history o

发表于:2019-01-14 / 阅读(93) / 评论(0) 分类 VOA标准英语2011年(十月)

The U.N. Security Council on Monday condemned North Korea's most recent missile launches as violations of council resolutions, and demanded that Pyongyang comply fully with its international obligations. The Council President for the month of July,

发表于:2019-01-14 / 阅读(86) / 评论(0) 分类 VOA标准英语2009年(七月)

今天我们要学的词是reminder。 Reminder, 提醒、提示。 I received a flu shot reminder from my doctor's office, 我收到医生诊所的通知,提醒我去打流感预防针。 The newly released data is a reminder that the recovery of

发表于:2019-01-16 / 阅读(137) / 评论(0) 分类 英语每日一词

AMERICAN MOSAIC - Jessi Alexander's First Album / Weather in America / Top High School Scientists By Nancy Steinbach Broadcast: Friday, March 18, 2005 (THEME) HOST: Welcome to AMERICAN MOSAIC, in VOA

发表于:2019-01-30 / 阅读(210) / 评论(0) 分类 American Mosaic

Improving Productivity by Improving Lighting We all know that our surroundings affect our ability to get work done, from that irritating buzzing from the next cubicle over to the uncomfortable chair causing our back pain. But what about lighting? Has

发表于:2019-02-04 / 阅读(159) / 评论(0) 分类 阅读空间

The Productivity Tricks and Daily Habits of Famous People Famous visionaries often develop a reputation for having a few eccentricities. However, for many people, these small eccentricities are part of a larger group of daily rituals that help them t

发表于:2019-02-04 / 阅读(140) / 评论(0) 分类 阅读空间

Natalie Jeremijenko的不寻常的研究室将艺术用于实践,处理环境问题,通过将工程知识同社会大众艺术以及一些志愿者们相连接。这些现实生活中的艺术实践包括:遛蝌蚪,给鱼发短信,建立消防

发表于:2019-02-05 / 阅读(227) / 评论(0) 分类 TED公开课:艺术与幻觉

Whakao loonal Kidei downni wha dei evi nayet Er gorlay wally wally ay Moe dei woonoah Tar dei arh tzoo waah Yee har naah Gorli goo gorli goo Dei gar lee whaka woo gar Dei hoa kaar Wo dei arh tsee whoa Arh tsee whoa Dei bi yee naah Koi lar Koi lar dei

发表于:2019-02-17 / 阅读(176) / 评论(0) 分类 音乐咖啡厅
学英语单词
acromelanosis
alloy tin
aminoacylation
antimicrobial peptides
attam
back porch sample pulse
backing register
Benllech
biconical connector
breakfast appetite
Brulax system
calque formations
cell energetics
cementoclast
clinobehoite
collate copies
constancy of purpose
crosssubsidization
cteniopinus taiwanus
culicoides (oecacta) okinawensis
cumulative letter of credit
double-pipe heat exchanger
dynamic-characteristic
easynet
edible seeds
electromagnetic loud speaker
encheve
endogermination
Entoconcha
ethionic anhydride
evaporated vagetable
ex-plained
fambler
family asteraceaes
Femotrone
flensers
flor process
folding strength
force magnifier
four-cycles
futuregen
gizzard lining
glutarimide
governyl
hanging chads
heliosupine
hibiscus elatuss
hind flank
hortungskorper
hyalite
hydropedology
interim payment
intervening party
isint
islamiques
johann-herbart
kjeldahl-gunning method
lignin content
male copulatory organ
mare nostrums
metal foil resistor
multi-storied agriculture
Mururoa Atoll
names for
nonamputee
nouvel
objective of water conservancy planning
offset deposit
operon hypothesis
outfox
personality integration
pollini-
polyphonic letter
prearc curve
pseudonymization
recommends
refertilizing
rehibitory
revlimid
role of
rural-urban fringe
semi-streamlined form
SEOULBANK
shallow water seismic
sliced veneer
slit-type mask
Smriti
sow seeds
span 40
STD (subscriber trunk dialing)
supply chain sustainability
sweep bandwidth
sweepmolding
telesalespersons
thetiss
time-dimensions
tyropanoic acid
under the regulation of
valparaisoes
veno-ocolusive disease of liver
Wallisians
water consumption quota