射频激发等离子体

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(138) / 评论(0) 分类 VOA标准英语2018年(九月)

Now the speed of light is a very,very big number. 光速是个很大的数字 So if we just take a small amount of mass, 所以只要一点点质量 you get a huge amount of energy. 就含有大量能量 And that's the energy which actually powers ou

发表于:2018-12-07 / 阅读(185) / 评论(0) 分类 太阳科普

VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith with EXPLORATIONS in VOA Special English. This week, we hear some unusual sounds from space. Scientists created them by taking radio wave observations and turning them into sound waves

发表于:2018-12-15 / 阅读(90) / 评论(0) 分类 VOA慢速英语2008年(一)月

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand - no matter where in the world they live. Voice 1 What can this music do to your s

发表于:2018-12-19 / 阅读(98) / 评论(0) 分类 环球英语 Spotlight

Iknewaguywhoplayedhisradioonlyinthemorning. Whensomeoneaskedhimwhy , hereplied,ThisisanAMradio. Notes: 1.Iknewaguywhoplayedhisradioonlyinthemorning. 我认识一个人,他只在早上收听广播。 2.Whensomeoneaskedhimwhy , hereplied,Thisisan

发表于:2018-12-26 / 阅读(121) / 评论(0) 分类 英语笑话(MP3+文本)

On January 11, Norway became the first country to begin turning off signals from its FM radio network. The Norwegian stations will instead use only digital audio broadcasting, called DAB. FM, or frequency modulation, radio stations have been in opera

发表于:2019-01-02 / 阅读(187) / 评论(0) 分类 2017年VOA慢速英语(一)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(130) / 评论(0) 分类 2018年VOA慢速英语(九)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? After a bad day at the office, were more likely to flip on a nature channel than find a flower-filled meadow or sunny beach to lower our stress. But if you cant head

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 Scientific American(七)月

上述10项是绝大多数英文药品说明书中必备项目,但是许多说明书中还常常出现其他一些项目。例如: 1、特点(Characteristics) 2、性质(Properties) 3、药代动力学(Phamacokinetics) 4、用药过量(

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 医学英语

第二节 性状 许多药品说明书的第一项是Description(性状),其原意是叙述、描写,在药品说明书及药典中一般都译为性状,其内容主要是介绍外观、理化性质、组成成分、结构、特征等。这一

发表于:2019-01-08 / 阅读(187) / 评论(0) 分类 医学英语

Robot Can Help With Farm Work 可以帮助农民干活的机器人 In the American state of Idaho, a robot moves between lines of fruit trees and grapevines. It is doing farm work. Called IdaBot, this robot is a prototype, or model. An engineering te

发表于:2019-01-12 / 阅读(446) / 评论(0) 分类 2016年VOA慢速英语(十一)月

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(123) / 评论(0) 分类 环球英语 Spotlight

好吧 Well... -那我该给克瑞普克下毒 -不 - I suppose I could poison Kripke. - No! 不 这其实很简单 No. It's a simple matter. 有那么几种有毒化学物 There are several toxic chemicals 尸检是查不出来的 that'd be untracea

发表于:2019-01-28 / 阅读(148) / 评论(0) 分类 生活大爆炸第三季

BEIJING, Dec. 11 (Xinhua) -- China is faced with severe challenges in collecting enough blood plasma to produce medicines, Health Minister Chen Zhu said Sunday. Chen called on the public to join blood donation after donating blood plasma at the Beiji

发表于:2019-02-07 / 阅读(135) / 评论(0) 分类 英语新闻

You might not realise it, but sending even a short email has an impact on the environment. 你可能没有意识到,即使是发送一封小小的邮件也会对环境产生影响。 Scientists estimate that an email adds about four grams (0.14 oun

发表于:2019-02-08 / 阅读(171) / 评论(0) 分类 阅读空间

Lesson 366 I'm so excited! 1.I'm so excited!我真是太兴奋啦! 2.Don't get excited!别激动! 3.Don't excite yourself!你冷静点! 4.The children are very excited.孩子们都很激动。 5.What are you so excited about?什么事让你如此

发表于:2019-02-12 / 阅读(173) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

One of my favorite examples of liminal excellence comes from the late Dr. Claudia Alexander, 我最欣赏的一位具有交叉才能的榜样是已故的克劳迪娅亚历山大博士, a black woman plasma physicist, who passed away this past July

发表于:2019-02-13 / 阅读(136) / 评论(0) 分类 TED演讲国际问题篇

Listen to the statements and check the correct answers. 1.Is sweeping out the tiny dust bothering you a lot? From now on if you have this machine, doing the housework will become a very easy job. This is a portable vacuum cleaner. lt's light and wire

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

CHENGDU, May 5 (Xinhua) -- Chinese Health Minister Chen Zhu donated plasma on Saturday in Chengdu, capital of southwest China's Sichuan Province, and called on health workers to take the lead in blood donation to ease the country's blood supply short

发表于:2019-02-18 / 阅读(138) / 评论(0) 分类 英语新闻

音乐咖啡厅:Alesha Dixon - Let's Get Excited 相关介绍 :英国RB三人女子组合Mis-Teeq*的前主唱Alesha Dixon去年在英国的舞林大赛中最后取胜而炒起的人气依然够旺。多年前,由Alesha Dixon、Su-Elise Nash 以及

发表于:2019-03-07 / 阅读(195) / 评论(0) 分类 音乐咖啡厅
学英语单词
a political
a trouble shared is a trouble halved
abbreviated address call
alpha-d-galactosidase
Amblystegieae
amniote
anesthecinesis
argumentum ad crumenam
asymmetric thrust
balewski
basels
be caughtor takered handed
bee sting
biflora
carrier-amplitude regulation
Cheiranthus cheiri
chiksan (jigsan)
coelomic split
copper(ii) phenolsulfonate
core-wide reliability
directing
double-action clutch
economic boiler
elbow union
Emberton
Esparreguera
favorable balance
fence it
fish fillet
fluid valved coupling
ganging up
giannitsa (yiannitsa)
glassformers
half-snipe
hand-foot-and-mouth disease
happy slapping
Hawkins, Sir John
Helvetia
hewing to
home-with
hunter-success
Hurwitz's stability criterion
hydrosafroeugenol
imperfect scattering
incipients
inspection technique
iron benzoate
Jumada
karawanken (karavanke )
kardong
larkers
leckeys
Legarde
legate
Leonidas of Tarentum
lifting gate
linearized twta
list entry id
lost cause
LPAR
Lynx rufus
maltreat of women
mancipate
monometallic currency
neurotic anxiety
nullihaploid
organic life forms
P-shooter
Pastagate
patwardhan
penetrative
perfect cover
pesquero
plantago medias
point slope form
potential lead
Prosesid
pseudalbuminuria
pull his weight
pump governot
reenjoying
regional soil science
sales assistant
samothraki (samothrace)
sequence checking
sequential data storage
Shahdāb
shamrock lawn
short bridge
shuttleaker
singlecrystalcamera
spinal subarachnoid space
straw deflector
sykelle
tamandu
tetraheptylammonium nitrate
thoracic region
tricolo(u)r picture tube
unitsed states dry units
Vaccinium dunalianum
washing table
ZD (zener diode)