时频调制

INTRODUCTION TO ACT I Today on TUNING IN THE U.S.A., we are with Richard and Marilyn Stewart in Riverdale. Richard is preparing to return to Seattle, Washington. Its time for him to continue taking photographs for his book about the United States. Ri

发表于:2018-11-30 / 阅读(553) / 评论(0) 分类 欢乐美语

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(174) / 评论(0) 分类 VOA标准英语2018年(九月)

[00:03.68]CONVERSATION 1 [00:08.72]HOW DO YOU LIKE THE CITY? [00:13.37]Marta: So, what do you think? How do you like New York? [00:19.83]Paul: I'm having a great time. I love it. I'm glad we came. [00:25.99]Marta: Yeah. I really like the stores and t

发表于:2018-12-02 / 阅读(208) / 评论(0) 分类 新英语交谈注释版

[00:03.68]CONVERSATION 1 [00:08.75]HOW ABOUT COMING WITH US? [00:13.01]Debbie: Hi, Kenji. [00:17.45]Kenji: Hi, Debbie. Have a seat. How's it going? [00:22.91]Debbie: I'm OK. How are you doing? [00:27.48]Kenji: Pretty good. Listen ... [00:31.92]have y

发表于:2018-12-02 / 阅读(170) / 评论(0) 分类 新英语交谈注释版

[00:04.00]CONVERSATION 1 [00:08.67]SEE YOU THEN! [00:12.12]Karen: Greg, when is Sheila's birthday? Is it this week? [00:19.49]Greg: Yeah, it's this Saturday, the twenty-eighth. [00:24.14]Karen: I'd really like to see her on her birthday. [00:28.71]Ar

发表于:2018-12-02 / 阅读(227) / 评论(0) 分类 新英语交谈注释版

[00:03.50]CONVERSATION 2 [00:08.46]WHY DONT'T WE MEET THERE? [00:13.22]Karen: Hello. Could I speak to Justin, please? [00:20.58]Justin: Speaking. [00:23.14]karen: Oh, hi Justin. This is Karen Hepburn. [00:29.31]We met at Chris and Jim's party. [00:34

发表于:2018-12-02 / 阅读(228) / 评论(0) 分类 新英语交谈注释版

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(264) / 评论(0) 分类 2018年VOA慢速英语(七)月

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(140) / 评论(0) 分类 英语词组对话

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(156) / 评论(0) 分类 名人传记

The 2nd of December is International Day for the Abolition of Slavery. It was on this day in 1949 that the United Nations passed an anti-slavery resolution. This was titled the Convention for the Suppression of the Traffic in Persons and of the Explo

发表于:2018-12-29 / 阅读(151) / 评论(0) 分类 英语课程学习计划和讲义

by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I

发表于:2018-12-30 / 阅读(228) / 评论(0) 分类 法律英语 Legal Lad

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(177) / 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(174) / 评论(0) 分类 电信英语

U.S. lawmakers expressed outrage in a congressional hearing on Wednesday about tens of millions of dollars in employee bonuses paid by the troubled insurance conglomerate, American International Group, or AIG. Testimony by AIG's chief executive came

发表于:2019-01-13 / 阅读(161) / 评论(0) 分类 VOA标准英语2009年(三月)

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(162) / 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(167) / 评论(0) 分类 环球英语 Spotlight

今天我们要学的词是violation。 Violation是违反、违背的意思。a traffic violation 违反交通规则。 The publisher was sued for a violation of copyright laws, 这家出版社因为违反版权法而受到指控。 That kid was dis

发表于:2019-02-02 / 阅读(144) / 评论(0) 分类 英语单词荟萃

CAPITOL HILL Global private banking giant HSBC has admitted that lax vigilance made it vulnerable to money laundering by Mexican drug cartels, as well as transactions involving Iran that are banned under U.S. law. HSBC managers pledged to do better i

发表于:2019-02-02 / 阅读(194) / 评论(0) 分类 英语新闻

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(166) / 评论(0) 分类 六分钟英语

Want motivation on weight loss? Dont rely on your willpower! Controversial advice I know, but there is psychological proof for it, so please bear with me and Ill explain. Most advice youll hear about how to get motivated and keep motivated when losin

发表于:2019-02-13 / 阅读(206) / 评论(0) 分类 阅读空间
学英语单词
'Id al-Fitr
aberation of gonadogenesis
abounding with
acceptee
Adrar
advisor role
aestheticisations
air streamline
All that glitters is not gold.
all-weather highway
assassin bug
auxiliary servo-motor
bah'u'llh
banana republics
be seen for the first time
bearing insulation
Beatrician
Berkeleianism
bluish-violets
boletuses
canoe camping
chromium steel
cicatricial stenosis of cervix
complex detector
concentric squirrel cage mill
converter for copper matte
cooling period
creeping elegance
crystal-pulling machine
cylogamy
Danite
delete list
desalting equipment
direct tablet compressing
dropwort
electrical loading
english lesson
eryngium foetidum l.
falco peregrinuss
fell overboard
field data applications systems & techniques
forced-flow boiler
fracture of transverse process
GM_paragraphs
gross stress
H.D.L.W.
have someone's ear s
heat resistant fabric
Hero's principle
HLIRG
house-bound
incapacities
kreosol
ladies wear
laser reconnaissance camera
liquid limit-plastic limit joint test
lit-par-lit schistosity
Magnae Chartae
main feed water pump
main wash heating phase
McCarthy's reflex
miconazole nitrate
micro photographic
microwave treatment of forage
mock-infected
mtbes
myeloplegia
mystikal
non-equivalence circuit
non-linear control system
non-material
o-nitrobenzoic acid
Ol' Man River
open-close program
orbit period
para-chlorobenzoic acid
pbuc
phenetidine salicylate
phoenicurus fuliginosa affinis
pickup artist
pot shots
prompt date
rabbinical Hebrew
rate of shortlanded and overlanded cargo
rhinoclast
scapegoats
secondary settling tank
serratia marcesen
somatic pseudogamy
space-rock
splutteringly
steady job
subsidized research project
sulfa film
sulfamidochrysoidine
thurnes
twin-lead type feeder
uk key
voip
well-organized
yakubu