益控制,放大控制

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(154) / 评论(0) 分类 美丽新世界

Song:Lose Control Artist:The Saturdays Oooo-Oooo fashion fashion fashion fashion I always use to be the shy girl Not a hot girl And not your type girl I never cared about the cool clothes about the right shoes making the right moves who's that ho

发表于:2018-12-14 / 阅读(183) / 评论(0) 分类 英语热力歌曲

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(166) / 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(181) / 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(237) / 评论(0) 分类 2015年Scientific American(一)月

Gun control should be a really serious issue. In my country, politicians rarely talk about it. They only discuss it if someone goes nuts and shoots lots of people in a school or shopping mall. Gun crime is on the increase everywhere but the governmen

发表于:2018-12-26 / 阅读(175) / 评论(0) 分类 纯正英语一分钟

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(192) / 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(179) / 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(178) / 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(230) / 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(197) / 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(147) / 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(160) / 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(258) / 评论(0) 分类 英语语言学习

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(212) / 评论(0) 分类 VOA常速英语2007年(十一月)

Nobel in Physics for Controlling Laser Light 诺贝尔物理学奖颁给激光控制实验者 The main practical application of CPA so far has been in the eye surgery. It was the first one, and I think it is the one that is used by the most people fo

发表于:2019-02-14 / 阅读(238) / 评论(0) 分类 2018年科学美国人10月

BEIJING, May 31 -- China will report its progress on tobacco(香烟) control to the member conference(联盟) of the WHO Framework Convention on Tobacco Control (FCTC) next year, but many experts say that there is still a lot to be done. China is

发表于:2019-02-17 / 阅读(218) / 评论(0) 分类 英语新闻

BEIJING, Aug. 21 (Xinhua) -- China's Ministry of Commerce said Tuesday that it has allocated an additional 200 million yuan (31.75 million U.S. dollars) in subsidies to assist in pest control efforts. The funds, together with 400 million yuan issued

发表于:2019-02-18 / 阅读(203) / 评论(0) 分类 英语新闻

今天我们要学的词是damage control。 Damage control, 意思是尽量减少破坏的程度。美国晚间脱口秀主持人莱特曼因为卷入性丑闻不断道歉。David Letterman is in damage control mode, 莱特曼努力减小不良影响。

发表于:2019-02-18 / 阅读(354) / 评论(0) 分类 英语每日一词

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(209) / 评论(0) 分类 双语有声阅读
学英语单词
2-propanone oxime
Agapetes aborensis
allogenic antigen
allowable noise level
apical system
asymmetrical balance
automatic wire tying device
Barrow's golden eye
basified
bilateral acoustic schwannoma
black run
Borevatn
chondrichthyan
cock-shut
coldwater
concrete foundation
corbis
cuale
decision making under certainty
differential pulse code
digital audio tape recorder
direct index plate
direction finder (df)
discontinuous timing
Dominicus
endothecal dissepiment
engineering change list
engrosseth
Euphorbia milii
extrarenal uremia
flyback retrace
focus-grouping
frontale
frozen smoke
gridiron pendulum
gross tonnage (gt)
handleys
hazzards
heavy plate mill
heavy-duty hose
heterogeneous x-ray
high-frequency resistor
holding section
horizontal movement
how about something
iatrogenic acromegaly
imperfect equilibrium
improvement work
in dispute
invariant continuation
keratein(e)
legatts
level hierarchy
lexicalist
lie up
limiation
load stabilization (load compensation)
loop bearing
manganese(iv) sulfate
mediastinoscopy
meercat
microfilmreader
mixed highs gray transmission
mroudjae
mucus layer
Munningen
myra
night work allowance
note issurance facilities
occipitoposterior position
opposite point
Opticantact
periappendageal
pick up boat
portfolio mix
poveda
predetection integration
propagation server
pseudoclassicism
pulse edge
putty power
radiator blanket
rebreathers
relationship price index
resolution of strain instrument
rickettsia tsutsugaraushi
rotary crucher
salend
screw thread pair
sidewalk
St Enoder
stipulators
Tarkuch
tatty scone
timeshift
Tonac
Tsatsana
unmunched
vertical upstream face
wandas
warcries