分时双频激光器

WHITE HOUSE President Donald Trumps administration wants to shut down U.S. government radio stations that announce official time, a service in operation since World War II. WWV and WWVB in the state of Colorado and WWVH on the island of Kauai in the

发表于:2018-12-01 / 阅读(203) / 评论(0) 分类 VOA标准英语2018年(九月)

Welcome to Words and Their Stories, from VOA Learning English. On this program we explore common expressions in American English. Like all languages, our expressions come from everywhere. They come from nature, sports, and food. They come from money,

发表于:2018-12-08 / 阅读(307) / 评论(0) 分类 2018年VOA慢速英语(七)月

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(191) / 评论(0) 分类 VOA常速英语2008年(四月)

What's the frequency kenneth is your benzedrine Uh huh I was braindead locked out numb not up to speed I thought I'd pegged you an idiot's dream Tunnelvision from the outsider's screen I never understood the frequency Uh huh You wore our expectations

发表于:2018-12-13 / 阅读(267) / 评论(0) 分类 Friends 老友记全10季英语插曲

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(184) / 评论(0) 分类 2013年VOA慢速英语(二)月

[00:00.00]MODULE THREE [00:06.87]第三模块 [00:13.74]Research [00:13.78]调查 [00:13.81]Unit one [00:15.85]第一单元 [00:17.89]I'm looking for information. [00:19.42]我正在寻找信息 [00:20.94]1.Look,listen and learn [00:22.02]1。看,听

发表于:2018-12-17 / 阅读(278) / 评论(0) 分类 北外版新标准小学英语第六册(三年级起点)

Specific times Question When do you . . . (present tense) I usually/always . . . in the evening at 9:00 on Mondays before dinner after I eat lunch when I get home When did you... (past tense) I (past tense) last night before class while I was eating

发表于:2018-12-17 / 阅读(165) / 评论(0) 分类 英语词组对话

I'd like to start with a short story. 我想先讲个故事。 It's about a little boy 有个小男孩 whose father was a history buff 他父亲是个历史爱好者, and who used to take him by the hand 常牵着他的手 to visit the ruins of an

发表于:2018-12-18 / 阅读(149) / 评论(0) 分类 TED演讲科技篇

So I became very err.... captivated by computer. 我完全给计算机迷住了 And a computer to me was still a little mysterious 当然计算机对我而言仍然有些神秘 cause it's at the other end of wire,I had never really seen the actual co

发表于:2018-12-27 / 阅读(196) / 评论(0) 分类 名人传记

[00:00.00] MODULE THREE [00:13.84]Research [00:15.78]Unit one [00:19.96]I'm looking for information. [00:23.04]1.Look,listen and learn [00:33.99]A:Come here, Lingling. [00:36.81]Mum has bought a new computer for us. [00:40.15]This is the keyboard. [0

发表于:2018-12-29 / 阅读(206) / 评论(0) 分类 新标准小学英语第五册(三年级起点)

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(204) / 评论(0) 分类 2017年VOA慢速英语(七)月

Three radio stations in the United States mainly broadcast one thing: the official time. The three are radio stations WWV and WWVB, in the state of Colorado, and WWVH, on the island of Kauai in Hawaii. They send out signals that are used by millions

发表于:2019-01-03 / 阅读(198) / 评论(0) 分类 2018年VOA慢速英语(九)月

Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor

发表于:2019-01-03 / 阅读(200) / 评论(0) 分类 电信英语

Laser Technology Uncovers Secrets at Stonehenge From VOA Learning English, this is EXPLORATIONS in Special English. I'm Christopher Cruise. And I'm Kelly Jean Kelly. Today, we report on new knowledge about Stonehenge, the famous, ancient stone circle

发表于:2019-01-12 / 阅读(186) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - Laser Technology Uncovers Secrets at Stonehenge From VOA Learning English, this is EXPLORATIONS in Special English. I'm Christopher Cruise. And I'm Kelly Jean Kelly. Today, we report on new knowledge about Stonehenge, the famous, ancie

发表于:2019-01-12 / 阅读(201) / 评论(0) 分类 2013年VOA慢速英语(三)月

Thats a bit direct Anna. 安娜,这有点直接。 Slow down and tell them your name and why youre calling. 慢慢来,告诉他们你的名字和为何打电话。 Find out something about them. 调查一下他们的情况。 Maybe say Id like to

发表于:2019-01-14 / 阅读(186) / 评论(0) 分类 职场英文口语

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a

发表于:2019-01-18 / 阅读(197) / 评论(0) 分类 TED演讲国际问题篇

Voice 1 Hello. Im Rachel Hobson. Voice 2 And Im Mike Procter. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Welcome to our li

发表于:2019-01-19 / 阅读(191) / 评论(0) 分类 环球英语 Spotlight

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(226) / 评论(0) 分类 VOA常速英语2007年(十一月)

Disappearing words 消失的文字 Kate: Hello, I'm Kate Colin and this is '6 Minute English' - and thanks to Jackie Dalton for joining me today. Good Morrow Jackie! Jackie: Ehpardon? Kate: Good Morrow! I beseech thee, whence comest thou? Jackie: ErmmKat

发表于:2019-02-06 / 阅读(181) / 评论(0) 分类 六分钟英语
学英语单词
-oses
abrygge
accessory meningeal branch
acoustic(al) stiffness
aircraft tubes
Alger, Wilaya d'
angle-hook
apricot-kernel oil
Arabetic
authorcraft
Ban Tamru
barretta
beer from the wood
bernanders
blister bar
block positioner
Busko
busy indicating circuit
cable regulation
cambox
canales paraurethrales
cargo work
cash disbursement
chemiluminogenic
China paper
clinical renal tuberculosis
colding crack
Colquhounia elegans
commercial distribution
complete ordered field
contrariety
counter myth
de-chirping
Diversograptus
do a Dutch
Dobriv
doddergrass
double needle type power meter
drepanolejeunea temuis (reinw. b1. et nees) schiffn.
esra
Eulophia macrostachya
extraordinary gain and loss
farnie
fissura
Foggâret el Arab
function of n-variables
gang piece work system
General Medical Council
genus Rauvolfia
glycerylphosphatide
hall of fame
hitfest
homicide in self-defence
hot-chamber die casting
how's that
humfrey
idromelanotallite (hydromelanothallite)
ileocolic intussusception
in-the-know
insurance quote
insured rail traffic
jellabaed
lavrovite
leading port
local criticality
main line code program
methylstyrene rubber
Mildella
monitoring
nasothurbinal
new chart
normal scheme
nuclear fluorescence analysis
out of one's box
outward order
pittodrie
Practice Fusion
procuras
product examination
punt formation
QPCs
reciprocal model
redtop grass
Sayula
scattering profiles
screaming
streich
stylistic
swallowtails
switch angle
T-cloth
technological drift
test of significance of spearman's correlation coefficient
thylacium
Todenbüttel
upglide
valve chest gland
variable length record system
writing beam
writing-related
xenolithic
yielding labyrinth packing