高频放大

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(94) / 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(92) / 评论(0) 分类 2013年VOA慢速英语(二)月

Economics Report - A Closer Look at High-Frequency Trading 经济报道 - 近距离审视股票市场高频交易 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Once, stocks were traded through the

发表于:2018-12-16 / 阅读(135) / 评论(0) 分类 2011年VOA慢速英语(十)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(98) / 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(106) / 评论(0) 分类 2015年Scientific American(一)月

今天潘吉和Jenny要和大家讲讲怎么正确的学单词,提高自己的词汇量,并把这些词汇运用到平时的生活对话中。看看你的学习方法对了吗? Vocabulary alone is not enough!!! 光有词汇量是不够的! Ti

发表于:2018-12-26 / 阅读(90) / 评论(0) 分类 美国文化脱口秀

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(111) / 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(95) / 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(110) / 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(149) / 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(117) / 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(82) / 评论(0) 分类 VOA标准英语2012年(一月)

High Frequency Traders Under Scrutiny 美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are

发表于:2019-01-14 / 阅读(138) / 评论(0) 分类 VOA标准英语2014年(四月)

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(90) / 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(138) / 评论(0) 分类 英语语言学习

化妆常用用语(二) 面奶 cleansing milk 去黑头洗面奶 biological cleanser 清洁面霜 clarifying cream 眼部御妆水 eye make up removing 按摩霜 massage cream 按摩油 massage oil 面膜 mask 冷膜 freezing mask 热膜 hotting mask 海藻面膜 seaweed mask 颈霜restru

发表于:2019-02-07 / 阅读(90) / 评论(0) 分类 英文语法词汇

Science and technology 科学技术 Channelling heat 传递热量 Good conduct 良好的传导 It may soon be possible to control heat flows with great precision 有可能实现对热流的精确控制 HEAT, as every schoolboy knows, moves in three w

发表于:2019-02-17 / 阅读(91) / 评论(0) 分类 经济学人科技系列

视频在英语中常表示为: video frequency (V.F.); vision frequency; visual frequency; video 例句: 1. 谁说视频游戏不能被赋予教育意义? Who says video games aren't educational? 2. 选择面广而且视频质量高。 High qualit

发表于:2019-02-18 / 阅读(110) / 评论(0) 分类 英语口语

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(121) / 评论(0) 分类 双语有声阅读

Wall Street analysts searching for reasons for the U.S. stock market's sharp swings in early August point to high unemployment, the European debt crisis and other basic economic problems. But some also suspect what is known as high-frequency trading,

发表于:2019-02-25 / 阅读(185) / 评论(0) 分类 英语新闻
学英语单词
advocacy coalition
aggregate medullary ray
alanylglycine
anallobaric center
Anoeta
asterina malloti
Bell's mania
borderline tumor
by pass governor
calming down
camosh
Carum bretschneideri
chromans
cinetocytosis
clanculus septenarius
closet case
Cneoraceae
Coelospermum
concentric-cylinder device
cornicles
dartos coat
decline in economic usefulness
dipsogenic behavior
direct-reading molecular absorption spectrometer
discontinuousness
DWEM,dwem
Enoslav
euergetic
evaporative coating
general purpose register (grp)
genetic system of soil classification
heavy rock
hepstes
hexabromobiphenyl
homoglutathion
honeywort
inhabited aircraft
inspection speed
jagodzinski
keystone correction
kissest
knightage
law merchant
logicor
lontano
lucretia mott
mammaliamorphs
mandoliner
master cover
Methoni
Mlicrococcus tetragenus febris flavae
modular transformation
mohana
mucociliary
myelin(e) sheath
Nampala
nickel boride
noble cause
none of your business
normal stereo
Norton County
oil-bearing area
open-mouth
orbitings
outglitters
overcapacities
pelvic varicocele
permanently attached equipment
playingfield
pot wheel
power control motor
printer setting
pseudoconic
quarter note
R. & C. C.
rack sleeve
rate of rainfall
rod drift condition
rules engine
SAAV
Sabuda, Pulau
saponate
secure base behavior
serve sth out
single frequency signal generator
size of weld
smokeshop
sound level meter attenuator
still-growings
superstring theory
synchronicity
syntactic type
Takefu
tap-size drill
the unkindest cut of all
tin perchloride
toxin
undispensing
uyu r.(uyu chaung)
Valmidate
volcanic cluster
weight loaded accumulator