真空中电磁波传播速度

A: Did you clean your room today? B: No, not yet. A: Well, when were you planning on doing that? B: I'm going to clean it up later. A: Didn't I ask you to clean it up earlier? B: I'm going to clean it. A: I want you to vacuum in your room, and don't

发表于:2018-11-30 / 阅读(229) / 评论(0) 分类 英语情景对话-日常生活

tyranny simple porch affirm velvet propeller enclosure question uniformly aspiration trench hush gangster participate underlying latitude isle propagation normalization confidence liner endurance arrogant intersection huddle illiterate scholarship

发表于:2018-12-01 / 阅读(268) / 评论(0) 分类 用Mp3背六级单词

She inspected the carpet for small items. She saw a paper clip and a rubber band. She picked them up. She put them into a little box on the kitchen counter. She plugged in the vacuum cleaner. She turned on the switch. The cat ran out of the room. She

发表于:2018-12-07 / 阅读(141) / 评论(0) 分类 原版英语小短文

Oliver went to Target to buy a new vacuum cleaner. The vacuum cleaners at Target cost $60 to $500. The expensive ones were too bulky and, of course, too expensive. He bought the cheapest one in the store: a Dirt Devil Vibe. Its label claimed that it

发表于:2018-12-11 / 阅读(154) / 评论(0) 分类 365个英语简短小故事

Topics: American Presidents-Rutherford B. Hayes; emission versus propagation; he/she don't; to do (someone's) bidding Words: slavery to oppose to secede to abolish to run for office to nominate rumor corrupt to uphold to interfere intention to be qua

发表于:2018-12-14 / 阅读(129) / 评论(0) 分类 美语听力 English Cafe

This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(五)月

Wk 10 (10 March 1876) Bell Invents The TelephoneThis Week in HistoryAlexander Graham Bell claims to have invented the telephone, but did he? In 1876, Alexander Graham Bell made the first call on an electromagnetic telephone he had built, and went on

发表于:2018-12-27 / 阅读(124) / 评论(0) 分类 英语新闻与报道—News and Reports

Section C Great Ideas Some of the most important inventions of the past 2,000 years may surprise you. Want to get rich? Become famous? You don't have to be a film star or a basketball player or a musi

发表于:2018-12-29 / 阅读(177) / 评论(0) 分类 新视野大学英语读写教程(1)

(THEME) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Faith Lapidus with the VOA Special English program EXPLORATIONS. You are listening to our program today on a radio. Almost no communication would exist in the world without the electromag

发表于:2019-01-03 / 阅读(181) / 评论(0) 分类 2018年VOA慢速英语(九)月

中文 英文 缩写 电表 ammeter 电场 electric field 电传打字机 teletype/teleprinter 电磁波传播 electromagnetic wave propagation 电磁发射 electromagnetic emission 电磁干扰 Elect

发表于:2019-01-03 / 阅读(127) / 评论(0) 分类 电信英语

Earth Station - The term used to describe the combination of antenna, low-noise amplifier (LNA), down-converter, and receiver electronics that are used to receive a signal transmitted by a satellite.

发表于:2019-01-03 / 阅读(140) / 评论(0) 分类 电信英语

参考范文: This modern life As is shown in the above picture, people sit in front of the computer all day and night, even in their dreams theyre still playing computer games. Such thought-provoking phenomenon is, especially among young people, p

发表于:2019-01-08 / 阅读(147) / 评论(0) 分类 英语四级作文范文

AS IT IS 2014-08-26 Is North Korea Preparing to Strike US Electric Grid? 朝鲜准备打击美国电网吗? A longtime national security advisor to the United States Congress has said the countrys electric system -- called a grid -- is mostly unprote

发表于:2019-01-12 / 阅读(124) / 评论(0) 分类 2014年VOA慢速英语(八)月

Pentagon's Electromagnetic Gun Awaits Use Marines stage a scene that has become more frequent for U.S. forces in Afghanistan. The mock protesters are harmlessly dispersed with a high-tech device. It is called the Active Denial System. Using an electr

发表于:2019-01-13 / 阅读(124) / 评论(0) 分类 VOA标准英语2012年(四月)

The explosion generated a shockwave so massive it wasdetected over 15,000 kilometres away. The low-frequency waves were picked up bymonitoring stations. So it is kind of like a listening network around theworld. Thats right. Theyre not set up for fir

发表于:2019-01-23 / 阅读(104) / 评论(0) 分类 探索与发现2014年

第一招:在电脑旁放上几盆仙人掌,它可以有效地吸收辐射。 第二招:对于生活紧张而忙碌的人群来说,抵御电脑辐射最简单的办法就是每天上午喝2至3杯的绿茶,吃一个橘子。 第三招:上网

发表于:2019-02-03 / 阅读(160) / 评论(0) 分类 阅读空间

Idiom: Red carpet ( good treatment ) Hit the book: Parking meter Iconoclast Banish Tattoo Electromagnetic Costly Detriment Landfill Bobble From passports to parking meters, design iconoclast Karim Rashid sees a world overflowing with outdated objects

发表于:2019-02-16 / 阅读(192) / 评论(0) 分类 趣味青春英语

What's that?Sort of a shove.Shot passed my legs there. 那是什么 铲子似的东西 从我的腿边游了过去 We need to speed up. Get moving. 得加速了 动起来 Sharks lock on to the electromagnetic fields that all living creatures produce.

发表于:2019-02-24 / 阅读(151) / 评论(0) 分类 荒野求生

A:Did you clean your room today? B:No, not yet. A: When were you planning on doing that? B: I'm going to clean it up later. A: Didn't I ask you to clean it up earlier? B: I'm going to clean it. A: I want you to vacuum in your room, and don't forget t

发表于:2019-02-27 / 阅读(163) / 评论(0) 分类 日常生活-Daily Life

On a previous Moment of Science we discussed one of the problems with turning yourself invisible. Sure, it sounds like fun. But a little physics showed us that the invisible man couldn't see anything either, because in order to see, light has to inte

发表于:2019-03-06 / 阅读(187) / 评论(0) 分类 英语时差8,16
学英语单词
accelerated strength testing
airless
amarella mauro
anal atresia with urethral fistula
antenna tuning motor
balance as a whole
bayesian models
bitchy-pants
briana
bronze-graphite bearing
carlic acid
chamaeleontidaes
cholangitis lenta
climacteric menstruation
coefficient of scouring
combustible gas alarm
conclusion of peace
conditional contracts
copper(ii) stearate
cupset
detune
digfer
dodoitsu
EI-CI source
essaouira (mogador)
expanding clutch
fantastica
field audit
flanns
flydas
fungia sinensis
gangliotetraosylceramide
garbologies
gate hinge inside strip
Genostrychnine
giora
gironniera yunanensis hu
granadillo
gripping appliance
haitink
heerdt
heterosis intensity
historical geotectonics
historical politic geography
holographic stereomodel
idiolectical
intercostal longitudinal
international general aviation (iga)
lichti
Lomatogonium macranthum
Lombard loan
lucidina biplagiata
mannikin
microinterferometer
mode of entry
multidirectional
mutualisation
name of numeric literal
nanoelectronic
no signaled movement
noise pop
non shrinkage steel
nondestructive cursor
occasionals
outwatch
overgenerated
pale-pink
parachute fabric
Plutonium-Xenon dating method
probe and drogue
protozoological
Pugo-dong
racemose cyme
recommenced
retinal detachment
rotary samming machine
sales agreements
saracenis
sarsaparilla root
scuzz up
self-slayer
set auto load
Shpirag, Mal
spin-drifts
spodogenous splenomegaly
stenosophrops tuberculata
stimied
stshsisss-s
tarebia granifera
temple architecture
tetraheptoxy-silicane
tetralia glaberrima
thrillcraft
Tibau
time domain analysis
trailer car
tsetse
universal container fork lift
uranium conversion plant
vasographic
vitrificate
whyght