电场强度测量

[00:09.98]北京奥运28大项 [00:30.84]参与,竞争,分享,进步 [00:48.19]Athletics 田径 [00:54.69]VERTICAL JUMPS 跳高 [01:00.71]An athlete may commence jumping/vaulting [01:03.86]at any height previously announced by the Chief Judge [01:07.38]and may jum

发表于:2018-12-05 / 阅读(376) / 评论(0) 分类 奥运28大项比赛

北京奥运28大项 参与,竞争,分享,进步 Athletics 田径 athletics 体育竞技运动,田径运动 track 痕迹,路径 径赛 track events 径赛项目 field 运动场地,比赛场地 / 田赛 field events 田赛项目 track and field athletics 田径赛,田径运动 MEASUREMENTS 丈量 For

发表于:2018-12-05 / 阅读(181) / 评论(0) 分类 奥运28大项比赛

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-12-05 / 阅读(335) / 评论(0) 分类 商业服务英语

Scientists: Spiders Use Electric Fields to Move through Air Scientists have long wondered how spiders can use the webbing they make to fly. The 19th century English naturalist Charles Darwin commented on their behavior when very small spiders landed

发表于:2018-12-16 / 阅读(165) / 评论(0) 分类 2018年VOA慢速英语(七)月

The English word foot has more than one meaning. In the United States, one meaning is a unit of measurement equal to 12 inches, or .3 meters. We use feet to measure height, length and short distances. Todays question is about when to use the plural o

发表于:2018-12-16 / 阅读(186) / 评论(0) 分类 2018年VOA慢速英语(十)月

If you splashed down in the Atlantic, you'd flounder on which way to swim. But a hatchling loggerhead turtle would know just where to paddleby reading the Earth's magnetic field. Scientists knew turtles can pinpoint latitude this way, because the fie

发表于:2018-12-24 / 阅读(164) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? In a laboratory vault outside Paris is a small cylinder of platinumiridium alloy that serves as the standard for all mass measurements worldwide. By an 1889 international

发表于:2018-12-24 / 阅读(187) / 评论(0) 分类 Scientific American(一)月

Tornados are one of the most frightening weather phenomena on our planet. Not only are they unique in how they form, but also in how they are measured . A tornados intensity is defined by the Enhanced Fujita Scale. On this scale, the intensity of the

发表于:2018-12-28 / 阅读(171) / 评论(0) 分类 轻松英文阅读

EDUCATION REPORT - Students Face New Worry: Wrongly Scored College-Entry TestsBy Nancy Steinbach Broadcast: Thursday, March 30, 2006 I'm Steve Ember with the VOA Special English Education Report. Abou

发表于:2019-01-02 / 阅读(174) / 评论(0) 分类 2006年慢速英语(三)月

科学家研究地球磁场 WASHINGTON Most of us hardly ever think about the Earth's magnetic field. We might be aware that it helps guide birds as they migrate and ensures that our compasses point north, but not realize that it is one of the crucia

发表于:2019-01-14 / 阅读(141) / 评论(0) 分类 VOA标准英语2015年(十二月)

Scientists Take on Earths Magnetic Field 马里兰大学实验室复刻地球磁场 WASHINGTON Most of us hardly ever think about the Earth's magnetic field. We might be aware that it helps guide birds as they migrate and ensures that our compasses p

发表于:2019-01-14 / 阅读(135) / 评论(0) 分类 VOA标准英语2015年(七月)

As the reversal approaches, the decay of our magnetic field will continue and cosmic radiation will get increasingly close to the Earth's surface. As the reversal approaches, the decay of our magnetic field will continue and cosmic radiation will get

发表于:2019-01-22 / 阅读(152) / 评论(0) 分类 自然百科2011年

It's clear from the fact that the Martian crust is strongly magnetized, that there must have been a magnetic field on Mars in the past, that the only way we know to magnetize rocks is for them to form in the presence of magnetic field. Why did Mars l

发表于:2019-01-22 / 阅读(157) / 评论(0) 分类 自然百科2011年

Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve

发表于:2019-01-26 / 阅读(132) / 评论(0) 分类 英语听力文摘 English Digest

Maybe, I added, it's no more approachable than an electric eel or an electric ray! 也许,我又说,我们不能接近它,就像不能接近一条电鳗,或一个水雷那样! Right, the commander replied. And if it has their power to electro

发表于:2019-01-28 / 阅读(104) / 评论(0) 分类 《海底两万里》中英双语有声读物

A man of the state of Zheng wanted to buy a pair of shoes.He measured his feet and put the measurement on a chair.When he set out for the market he forgot to bring it along.It was after he had found the pair he wanted that this occurred to him.

发表于:2019-01-30 / 阅读(188) / 评论(0) 分类 趣味英语

A chef has created an off the scale chicken dish so spicy he claims it can cause facial paralysis. 一名厨师发明了一种超级辣的鸡肉菜肴,他宣称这道菜会让食客辣到面瘫。 图片1 Muhammad Karim, 34, has to wear a gas mask

发表于:2019-02-05 / 阅读(202) / 评论(0) 分类 英语新闻

In the state of Chu there was a man skilled in physiognomy.His comments were very accurate and his fame spread through the state.King Zhuang sent for him and asked him the secret of his success.Sire,said the man,I am not good at judging cha

发表于:2019-02-06 / 阅读(189) / 评论(0) 分类 趣味英语

船务术语汇总 BAF (Bunker Adjustment Factor) 燃油附加费 CAF (Currency Adjustment Factor) 货币贬值附加费 YAS (Yard Surcharges)码头附加费 EPS (Equipment Position Surcharges) 设备位置附加费 DDC (Destination

发表于:2019-02-11 / 阅读(169) / 评论(0) 分类 实用英语

Joining me now from Santa Barbara, California, to talk about Mr. Trump's first 14 weeks on the job is NewsHour Weekend special correspondent, Jeff Greenfield. Jeff, it's good to see you. So here we are, 100 days in. But you've said on this program an

发表于:2019-02-25 / 阅读(158) / 评论(0) 分类 PBS访谈社会系列
学英语单词
acetaldehyde ammonia
antennating
Astove I.
atomic evolution
awefully
bag bellows
bell type manometer
birdbrains
bluegrass states
BMDATC
bringing more convenience to the people in their daily life
caltrain
capric acid triglyceride
Cheeky Nandos
chemical binding energy
chylopericardium
cigogne
codlings
communicating bridge
competitive market structure
counterweight pulley
crystal modulator
cumulative absolute frequency
decision instant
dementates
dickensheets
die platen
digest medium
disulfamin
elsholtzia haichowensis sun
emery buffing
empirehood
endomiotic
enoplometopus crosnieri
espionage act
fall into line
fall on sb
fine fodder
foaly
forecastle starboard
freight paided
from here on
gear shaping recess
genetic increment of strata
gracilariid moths
gradient change
guerrilla-style
harri
henhussy
heparinate
intertia force classifier
jaffeit
jiangsu province
john fletchers
jukin'
kneafsey
lecourt
mail out
mean-square error criteria
median suture
nebulium
ochthebius inermis
offstreet parking
ofheo
Olav II
on a bum
one-dimenstional structure
osmium(vi) oxide
Otto-cycle engine
overcrowdings
Panker
pertillant
pit-falls
power-operated valve
premenopause
protraction
pyogenic inflammation on the shoulder
radiative-convective model
radio-frequency polarography
relative degree of development
resyklin
Rugby League World Cup
satellitosis
seabarrow
Seydhisfjördhur
smoke emitter
sout
spiral ring
supervibrator
tobacco tongs
torquate
totally stable solution
tree hair
uk partner
undergowns
visible bell
weech
wigner-seitz sphere
willfulnesses
word-pictures
worm biochemistry
yattering