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
administrative manual
aerophotography
aichinger
Apple-watchers
arrester ground terminal
Ayu, Pulau
backing track
bangser
beam coupling factor
benzotropolone
berm for channel
carp-like
Chunia bucklandioides
clashe
coal field prediction
cookie sheets
Covered Bond
cracked naphtha
dead drop
dehydroemetine
diffraction-grating interferometer
diffuser priming of pump
dolly-shop
double O-ring rubber seal
equally distributed sequence
ernst theodor amadeus hoffmanns
estimated current
exhauster regulating valve
external degree program
family peripatidaes
federal maritime commission
feedback signal
formators
free swelling index
frieden
fuel injecting valve
ground based navigation aid
hinderedtransition
ICIBA doudou
ignition-temperature
image cultivation
impregnated material
income exempted
indirect operating expenses
ising
keychain drive
lactation room
landing-nets
leotards
light center
load-yield recorder
made a deposit
magnetic medium
magua
main shield
Marineo
massily
meirion
Melothria japonica
microfilaria periodicity
Millerovo
motomete
muftis
multi-systems
nearest neighbour approximation
onomasticss
opercular (n.)
optimum plate load
Organic Light-Emitting Device
oxygen boosting
pardonee
plant-eaters
Plyussa
power turbine inlet temperature
pyloric valves
quadrat chart
rectovesical excavation
reed switches
resonance voltage
rhabdion
Rutherford atomic model
scalvini
scrooging
sea-book
shipment by sailer
skones
spectrum range
spoladea recurvalis
state loan
Stehle's methods
support colume
take an affidavit
throw a wobbly
TPBVP
ulmoprenol
unbound particle
understeer
vanity project
venatione
vertical ramp
Worton
ZBB