(在超外差电路中的)中频放大;超音频放大

pal pamphlet announce panic cradle section irritate supersonic paper veil parachute petty pattern jug seemingly colonial disperse bias incur spectacle edible

发表于:2018-12-01 / 阅读(189) / 评论(0) 分类 用Mp3背六级单词

Jackie: Hello Im Jackie Dalton and today, were going to find out about space travel and look at some science language. Were going to do this with the help of Jeff Hoffman. Hes a former NASA astronaut an astronaut a person who goes into space. Hes goi

发表于:2018-12-03 / 阅读(157) / 评论(0) 分类 英语听和读

Splendid! He kept his telescopic cameras carefully aimedglued to their moving objective; 精彩片他小心地调着望远摄影机的镜头,盯紧了那移动着的对象。 clapped on a higher power to get a close-up of the frantic and distorted

发表于:2018-12-07 / 阅读(136) / 评论(0) 分类 美丽新世界

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(139) / 评论(0) 分类 2013年VOA慢速英语(二)月

BBC News with Julia Candler. A senior member of North Koreas government has warned that his country would react with a pre-emptive nuclear strike if it saw signs that the US was preparing to launch an attack. Speaking to the BBC, the Vice Foreign Min

发表于:2018-12-20 / 阅读(161) / 评论(0) 分类 中英双语新闻

Unit 11 Transportation (I) Part I Warming up A 1. This news item is about Boeing's 18 billion new orders this year for its new 777 jetliner. 2. This news item is about possible mergers between airlines. A2 Tapescript: 1. Boeing, the world's leading c

发表于:2018-12-27 / 阅读(193) / 评论(0) 分类 Step by Step2000

Elon Musk's Hyperloop is getting its first working test track When Elon Musk, the PayPal billionaire, announced his plans for a near-supersonic transport system of passenger capsules levitating inside tubes it sounded like science fiction. Now the co

发表于:2018-12-28 / 阅读(113) / 评论(0) 分类 英语PK台

图片1 superior n. 长者,高手,上级 adj. 较高的,上级的,上好的,出众的,高傲的 例句:Oliver smiled a superior smile as he drove past in his expensive new car. 奥利弗开着那辆豪华的新车驶过时,傲慢地微微

发表于:2018-12-30 / 阅读(125) / 评论(0) 分类 漫画搞定六级词汇(文本+音频)

The F-8 Crusader was designed by Vought in response to a US navy requirement for a carrier-based supersonic fighter. It became apparent in the early 50s that, that the navy needed this capability. The air force was ahead of the navy in that regard wi

发表于:2018-12-30 / 阅读(163) / 评论(0) 分类 国家地理2007年

In my lab, we recently made a cancer nanodetector 在我的实验室,我们最近研制出了一种癌症纳米检测器, that is so small that it could travel into the body and look for tumors. 小到可以进入全身血液循环并寻找肿瘤。

发表于:2019-01-03 / 阅读(161) / 评论(0) 分类 TED演讲科学篇

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(157) / 评论(0) 分类 Scientific American(十)月

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 Scientific American(三)月

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 go from the sci

发表于:2019-01-12 / 阅读(211) / 评论(0) 分类 2013年VOA慢速英语(五)月

'Word on Street' Impacted Language in 2011 While 2011 is over, some of the words that came to define the past year are still very much with us, and may be for years to come. Since 2011 was an especially busy year for grassroots political action, many

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 VOA标准英语2012年(一月)

Because of course, the ear is, I mean, subject to all sorts of things. 这当然是因为,我是说,耳朵受制于很多因素。 The room we happen to be in, the amplification, the quality of the instrument,the type of sticks...etc., etc. 我们现

发表于:2019-01-18 / 阅读(130) / 评论(0) 分类 TED演讲国际问题篇

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 go from the science of the future to eve

发表于:2019-01-24 / 阅读(220) / 评论(0) 分类 英语语言学习

Everybody! 大家注意 I've decided to send Matt and Ben along with Lieutenant Clayton. 我已经决定让马特和本与克莱顿中尉一同出发 It'll put our kids a few hours ahead of whatever else is coming, 无论发生什么,孩子们都能提

发表于:2019-01-29 / 阅读(189) / 评论(0) 分类 陨落星辰第一季

Bionic Christina Aguilera Are you ready, ready, ready to go-g-g-go? Are you ready, ready, ready to go-g-g-go? Bionic, take it supersonic, eh I'm bionic; hit you like a rocket, eh-ay-yeh Bionic, so damn bionic, eh Gonna get you with my electronic, sup

发表于:2019-02-07 / 阅读(170) / 评论(0) 分类 好听的英文歌曲

1,000mph Target for British Car 英国制造时速达1000英里/小时的高速汽车 A British team has begun building a car designed to smash all previous land speed records and go faster than even the speed of sound. The supersonic car, called Blo

发表于:2019-02-13 / 阅读(123) / 评论(0) 分类 英语听力精选进阶版

The Revolution in American Higher Education To produce the upheaval in the United States that changed and modernized the domain of higher education from the mid 1860's to the mid 1880's, three primary causes interacted. The emergence of a half dozen

发表于:2019-02-25 / 阅读(171) / 评论(0) 分类 双语有声阅读
学英语单词
a passing resemblance
absorbent crgan
advocative claim
Airberlin
Alpine horn
annia
aridelus taiwanus
athirst
batch-distillation
beswick
bottom guide
brain-fade
brake master cylinder horsing
carbamazine
casesiumphotocell
class-size
cliffstone
cochlearia armoracia l.
compressor-type liquid chiller
consolidated drained test
context sensitive text
countercomplaints
couponned
crosshead-pin
D.A.T.
Daphne angustiloba
data acquisition and conversion system
Dataquest
decalescences
decedents'estates
DHMEQ
dickcissel
dishenerite
Dor remodeling ventriculoplasty
emigration theory
event facility
excision of parasitic lesion of brain
fatty spongioma
fragum unedo
fuel-carrying
function overloading
geomagnetic physics
get about
giantisms
grade of accuracy
guest-ranch
humanitarianized
individual banker
jab breakdown
Jamaican(tropical)myeloneuropathy
kammkies (marcasite)
lace someone's jacket
left-hand end mill
Llanbadarn Fawr
low tension switchboard
lying-inhospital
macfish
Mackensen bearing
mt cut
mustard sauces
Naungpale
non-scheduled maintenance
note of demand
oswald veblens
otaplex telegraph
paleocerebellar
Pentecostarion
plaisters
preferential etching
proliferative intimitis
Pterodactylus
Quebecisms
remote-reading
rock dynamic modulus of elasticity
Sandwich Terns
Sanskritic, Sanscritic
santolina chamaecyparissuss
self-concentrated
shirataki
solvophobicity
spillover pool
spoon nails
St-Sylvain
stem guide
storage mapping function
tempering metals
the more something happens the more another thing happens
thrashingfloor
through-ways
timbre control
tonsillectomies
track circuit permissive block
transsexualizing
Trofaiach
unidirectional direction finder
unit cost default
unit-sample response
usustatus
white dick
windows latch
woward