直接耦合放大

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(80) / 评论(0) 分类 美丽新世界

Welcome to our home. Home for this quartet of eco-activists is a bus. And its touring the country to spread a message of sustainability. They call their effort bio-tour. We are seeing a society that is not living sustainably, that is exploiting reso

发表于:2018-12-11 / 阅读(54) / 评论(0) 分类 万花筒2008年

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(76) / 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(71) / 评论(0) 分类 中英双语新闻

3. This success, coupled with later research showing that memory itself is not genetically determined, led Erics-son to conclude that the act of memorizing is more of a cognitive exercise than an intuitive one. 【分析】复合句。句子主干是

发表于:2018-12-30 / 阅读(59) / 评论(0) 分类 考研英语长难句讲解

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(85) / 评论(0) 分类 TED演讲科学篇

On the belt and road investment, China is hoping to get Finland on board for its technology. Let's hear what China's ambassador to Finland has to say. Although Finland is on the northwestern stretch of the bet-and-road area, but its new technology is

发表于:2019-01-05 / 阅读(190) / 评论(0) 分类 cctv9英语新闻2017年

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(73) / 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(90) / 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(122) / 评论(0) 分类 2013年VOA慢速英语(五)月

[00:02]A:Don't work me. [00:04]L:I'll walk you through collecting the evidence. [00:07]Just describe the restraints. [00:23]A:They're strange-looking handcuffs. [00:25]They look more like old shackles or something. [00:33]And her feet are are b

发表于:2019-01-14 / 阅读(86) / 评论(0) 分类 英美人天天都在说的4000句:跟着影视学最真实的口语

3. This success, coupled with later research showing that memory itself is not genetically determined, led Ericsson to conclude that the act of memorizing is more of a cognitive exercise than an intuitive one. 【分析】复合句。句子的主干是

发表于:2019-01-16 / 阅读(115) / 评论(0) 分类 考研英语长难句讲解

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(68) / 评论(0) 分类 TED演讲国际问题篇

And I'm not sure how to fix it because I'm only a scientist. 我只是个科学家,不知如何解决这个问题。 But maybe one way to do it is to go back to the more natural way of communication, which is a dialogue, 但或许有个可行的方法

发表于:2019-01-18 / 阅读(80) / 评论(0) 分类 TED演讲科学篇

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(115) / 评论(0) 分类 英语语言学习

This is Xaero - a vertical take-off and landing vehicle being developed by Masten Space Systems. The California start-up hopes the rocket will eventually carry pay-loads for NASA to altitudes of up to 30 kilometres, mainly to collect atmospheric data

发表于:2019-02-03 / 阅读(54) / 评论(0) 分类 英语新闻视频

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(97) / 评论(0) 分类 实用英语

如今,高端大气上档次已经成为众人耳熟能详的网络用语,凭借其无与伦比的受欢迎度,高端大气上档次一度位居十大网络用语的榜首。这句让无数互联网迷们捶足顿胸的潮流时尚用语,到底

发表于:2019-02-08 / 阅读(76) / 评论(0) 分类 英语口语

介绍: couple 夫妻;情侣; They're a couple. 他们是一对。 a couple of 一些 I've been living in Shanghai for a couple of years. 我住在上海有些年了。 couple up 与某人结合 和某人在一起 Jenny broke up with her ex and c

发表于:2019-02-13 / 阅读(80) / 评论(0) 分类 英语俚语天天说

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(96) / 评论(0) 分类 双语有声阅读
学英语单词
a roaring trade
aflaq
airtow
Aletsch Gl.
allux
anal ring spine
anti-DNase
antigonia rubescens
Apache OpenOffice
audit standards
automatic greasing cycle
be on the sauce
Beddgelert
Bjorna
black-backed antshrikes
butylidene-
capsuloganglionic
Carex shanghaiensis
configuration report program
corporate hospitality
cranne
cyclone burner
D-ribose
dbayehs
decision marking
deck passenger
dedolation
diverticula ampull?
Egyptain millet
en pension
estheticokinetic
Fissistigma poilanei
forerecited
freezing tank
fuel/air explosive
genzine
grandtravel
Guararé
high-pressure core spray system (HPCS system)
hoist roller
hunting action
hyperphilia
infilitration
joint box cover
Kalole
kippernuts
ladders
Larsonian
laser coelostat
law-enforcers
Luzula parviflora
Mambéré
Mary McLeod Bethune
medicopsychology
monodispersive system
mpeg-3
natural pharmacology
neon-blue
newspaperese
non contact piston
Norman windows
oem(original equipment manufacture)
Ophiorrhiza hispidula
P-frame
parameter variation channel
paraneuron
paravermian
pathogenic inherited factor
peripheral power supply (pps)
phyll
pontoises
postmagmatic ore deposit
predelusional
preworkshop
pussytoes, pussy's-toes
rapid construction
read receipt
Renanthera coccinea
road-rash
Sandimmun(e)
savings capital
shoe-type furrow opener
sick-bay
sinoatrial bundle
sophisticated technology
sorich
sovranty
split shifts
stringent regulations
syntaxy
synthetic polymer dispersion
the World Series
unmenacingly
vaultworthy
vendanges
violablest
waxworm
weather-protected motor
whatever creams your twinkie
wide band discriminator
year-around
zyglo inspection method