输入短路反(向电)流放大

Frank: We have been asked to create a new training program for our new-hire machine operators. Before we do that I want to get your input. Is it necessary and if so, what should be included? All suggestions and opinions are welcome. Jane, youre most

发表于:2018-11-30 / 阅读(171) / 评论(0) 分类 剑桥英语之商务英语

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(117) / 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(120) / 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(139) / 评论(0) 分类 中英双语新闻

This is Scientific American's 60s Science. I'm Karen Hopkin. This will just take a minute. Think about the tools used by biologists, perhaps test tubes and microscopes come to mind. But what about diapers? No, it's not the investigators in their work

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 2015年Scientific American(一)月

第71期:Shorted-Changed X:Excuse me.I bought this just now and here's a receipt. 对不起,我刚买了这个东西,收据在这里。 Y:I'm afraid I was short-changed .Could you look into it? 恐怕你少找我零钱了。你可以查一下吗?

发表于:2018-12-26 / 阅读(92) / 评论(0) 分类 出国旅游口语一本通

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(137) / 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(129) / 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(134) / 评论(0) 分类 Scientific American(三)月

倾听音乐:Forward And Reverse 虽是英文,但音乐无国界。它诉的是情,听起来却冷冷清清,仿佛清晨起来照铜镜,发现自己满面愁容。思念已满溢,恍惚间想起昨夜小寐,忽疑君至,却是琉璃火,

发表于:2019-01-10 / 阅读(144) / 评论(0) 分类 E乐吧

歌曲 : Flip Reverse 艺人 : Blazin' Squad 音乐星级 : ★★★★ 所属专辑 : Now Or Never 发行年代 : 2003 风格 : Hip Hop 介绍: 一直以来都青睐Blazin'Squad这个来自英格兰艾塞克斯的大型男子嘻哈组合,阵容庞大共有十人之多。他们的第一首上榜空降冠军的歌曲

发表于:2019-01-11 / 阅读(258) / 评论(0) 分类 饶舌音乐

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(180) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: 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

发表于:2019-01-12 / 阅读(151) / 评论(0) 分类 2012年VOA慢速英语(一)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(105) / 评论(0) 分类 VOA标准英语2012年(一月)

Designed by scientists at the Max Plank Institute in Germany, the iSkin can be stuck to fingers, forearms or even behind people's ears. The thin, flexible sensors can be glued on to the skin like a temporary tattoo. They allow users to control smartp

发表于:2019-01-16 / 阅读(106) / 评论(0) 分类 英语新闻

LAKSHMI SINGH, HOST: We want to turn now to Congressman Rodney Davis. He is a Republican speaking to us from Decatur, Ill., and he is in favor of the bill being advanced by House Republicans. Congressman Davis, thanks so much for joining us. RODNEY D

发表于:2019-01-16 / 阅读(78) / 评论(0) 分类 2017年NPR美国国家公共电台3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(115) / 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(169) / 评论(0) 分类 英语语言学习

Flip Reverse Blazin' Squad [All] Hey (yeah) i wanna see you work it baby, I want you to be my lady, I love the way you move your body, ooooh you drive me crazy... [Flava] I'm a do it real good if you know how i felt, we could take it downstairs, like

发表于:2019-02-05 / 阅读(186) / 评论(0) 分类 好听的英文歌曲

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(149) / 评论(0) 分类 双语有声阅读
学英语单词
8 bits
air navigation facility
Alajja anomala
amyllier
antifox
appletini
average collection period ratio
baked potato
bardsey sd.
basinfuls
Beaume
Binswanger dementia
Bol'shoye Alekseyevskoye
brasa
bundle homomorphism
Caps Lock key
chyliza elegans
Combol
COOPL
core flow subfactor
corpora bigmina
cyclone air lock
debt-equities
desmotropism, desmotropy
disimpaction forceps
disk resident utility
dowel bar
e6b computer
ethicon
ethnonymics
exchange of contracts
execution of activity
fantomes
film perforator
flexible schedule
foreign sales office
formal-actual parameter correspondence
Gentiana officinalis
Geranium wifordii Maxim.
ghetto booties
Gibbs system
grind away at one's studies
grindle
hemal flexure
Hornea
ichorescent
individual ticket
interest cost
intermediate cyclone
IUDs
jet-driven wind tunnel
law lords
line loop resistance
lisbeth
Ma-ubin
magnetical blow-out spark-gap of an arrester
marshite
mean flax
mega pixel
mercuric chlorite
mountain bladder ferns
mulism
neighborhood reaction
Nhill
noseyness
occasional publication
once-in-a-while
open-hearth steelmaking
Pakruojis
partial molar quantity
phosphorodithioate
printed-circuit gold plating
private information
proper vector
pseudoindex
pure functional organization system
quantitative perception
Raman line
remmerton
Schwarzians
sculpturals
see good
siaochangs
sinuses coronarius
social-issues
sodium diprotrizoate
speed without load
suborder Brachyura
swordfish liver oil
tenamfetamine
titin
Torenia flava
tuebor
undevelopt
uniformly locally compact
unlycanthropize
V-port valve
velocity vector at center of mass
ward-fee
whey mucoid
wigham
your-excellency