全息图的衍射效率

[00:15.60]Is Parking Permitted Here? [00:18.87]这里允许停车吗? [00:22.15]A. Is Parking permitted here? [00:25.04]这里允许停车吗? [00:27.92]B. Yes, it is.Thanks. [00:29.95]是的,允许。谢谢。 [00:31.97]A. Are people allowed t

发表于:2018-12-03 / 阅读(279) / 评论(0) 分类 快捷之路交际英语2

Studying for a big exam at school or a presentation at work, but don't forget to get a good night's sleep. Brain scientists report more evidence this week that sleep can improve your memory. Researche

发表于:2018-12-11 / 阅读(205) / 评论(0) 分类 万花筒2006年

Idiom: On hold 暂时不做,搁置一段时间 Hit the book: Remote Grid Incentive Apart from Drawback Efficiency Equator Tilt

发表于:2018-12-27 / 阅读(277) / 评论(0) 分类 趣味青春英语

eat v.吃 echo n./v.回声,回响;共鸣 economic a.经济学的,经济(上)的 economical a.节省的;经济学的 economy n.经济;节约 edge n.边,边缘;刀口,刃 edit vt.编辑 edition n.版,版本 editor n.编者,编辑 ed

发表于:2018-12-30 / 阅读(246) / 评论(0) 分类 大学英语四级词汇拼读版

坚持不懈,直到成功。 我们每天的奋斗就像对参天大树的一次砍击,头几刀可能了无痕迹。每一击看似微不足道,然而,累积起来,巨树终会倒下。这恰

发表于:2019-01-03 / 阅读(287) / 评论(0) 分类 四六级词汇与结构练习

The fine-furniture store where I work has been in business since the 1920s.Recently I received a call from a woman who wanted to replace some chairs from a dining set purchased from us in the 1930s.I

发表于:2019-01-03 / 阅读(206) / 评论(0) 分类 英汉幽默故事选读

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? When a healthy rat smells a cat, it flees. But rats infected with the Toxoplasma brain parasite actually follow cat odors, often presumably to their doom, red in tooth a

发表于:2019-01-08 / 阅读(286) / 评论(0) 分类 Scientific American(八)月

Agriculture Report - Improving 'Feed Efficiency' in Cattle 农业报道 - 提高牛的饲养效率 From VOA Learning English, this is the Agriculture Report in Special English. 这里是美国之音慢速英语农业报道。 Animal feed is the bigge

发表于:2019-01-12 / 阅读(248) / 评论(0) 分类 2012年VOA慢速英语(十一)月

This is the VOA Special English Technology Report. High-quality systems used in video conferencing are called telepresence systems. The images are life-size yet not truly lifelike. They lack the depth that people would normally see if they were in th

发表于:2019-01-12 / 阅读(165) / 评论(0) 分类 2010年VOA慢速英语(十一)月

SCOTT SIMON, HOST: Marjorie Prime is a science fiction film, sort of, but without explosions, laser weapons or fire-breathing robots and mythical creatures. As the film opens, Lois Smith plays an elderly woman who's getting to know the lifelike holog

发表于:2019-01-16 / 阅读(190) / 评论(0) 分类 2017年NPR美国国家公共电台8月

ARI SHAPIRO, HOST: For decades, Holocaust survivors have told their stories to students and museum visitors in person and in videos. The Holocaust ended more than 70 years ago, and so every year, fewer survivors are alive to tell their stories. The I

发表于:2019-01-16 / 阅读(208) / 评论(0) 分类 2017年NPR美国国家公共电台12月

At the same time, methanogens can use hydrogen and carbon dioxide produced by other bacteria to generate methane, 同时,产甲烷菌可以使用其他细菌产出的氢和二氧化碳以生成甲烷, which can reduce the total volume of gas by u

发表于:2019-01-17 / 阅读(225) / 评论(0) 分类 TED演讲教育篇

I was on a three-month road trip this summer. 今年夏天我度了三个月的假。 It was something that I've been dreaming about doing my whole life, 这是我一生梦寐以求的东西, just driving around the U.S. and Canada and just figurin

发表于:2019-01-18 / 阅读(221) / 评论(0) 分类 TED演讲教育篇

By Mike O'Sullivan Los Angeles 16 November 2007 Auto makers who are showcasing their latest models at the Los Angeles auto show are expanding product lines in the hope of staying competitive in a changing market. Mike O'Sullivan reports, carmakers fr

发表于:2019-02-06 / 阅读(268) / 评论(0) 分类 VOA常速英语2007年(十一月)

What is the cosmological effect of singer Zayn Malik leaving the best-selling boy band One Direction and consequently disappointing millions of teenage girls around the world? 歌手泽恩马利克退出热门的单向男孩乐队,进而导致数以百

发表于:2019-02-09 / 阅读(269) / 评论(0) 分类 阅读空间

今天我们还是继续巩固雅思口语part1的部分。在刷口语题库的时候,同学们可能会遇到这样一道题目。 题目:What part do you enjoy most in your study? 翻译成中文就是:你最喜欢你学习中的哪一个部分

发表于:2019-02-09 / 阅读(232) / 评论(0) 分类 雅思英语

He was watching TV. The commercials started. One after another they came, like subway riders going through turnstiles. Five minutes later, the program resumed. Ten minutes later, a new cluster of commercials started. Five minutes later, the program r

发表于:2019-02-15 / 阅读(195) / 评论(0) 分类 英文短篇故事(纽约)

Ever since money was invented there have been people trying to fake it. Thats why its important for everyone to know how to spot a fake banknote. And the best thing to do is to know by heart what genuine notes should look like. Here is our expert Lee

发表于:2019-02-16 / 阅读(169) / 评论(0) 分类 英语听力文摘 English Digest

Some people prefer to get up early in the morning to start the day's work; while other people like to get up later in the day to work until late at night. Which option do you prefer? I would choose to get up early in the morning. This view is based o

发表于:2019-02-19 / 阅读(156) / 评论(0) 分类 托福英语

Back to basics 节能以人为本 Energy efficiency is not very flashy. That may be a selling point 能源增效并不那么高高在上,也许它还是个卖点。 Hope those are energy-saving bulbs 希望大家都使节能灯泡 WHEN Richard Sanc

发表于:2019-02-24 / 阅读(282) / 评论(0) 分类 经济学人综合
学英语单词
6-hydroxychroman
absolute population estimate
added in
adeps
Afago
al latakhiyah
annular bearing
aposepalous
autobiology
beat yourselves up
C- section
CbmWin
cell density
Charrat
coil in
cold extrusion of die cavity
cold sealing
copepod crustacean
cut hunter
dashmats
demistor pressure
door control circuit
downrushed
drst
dysporomorph
El Tren
ending notification reference number
epithymy
ethyltin triiodide
extratarsal
field infiltration
flame radiation
flawed
floroxene
full series
graphoscope
group-well confluence
gruntometer
head boys
Hessian normal form
hirochika
hydrodynamic theory of fluid lubrication
ice barrier basin
initIndex
inspires
intermediate frequency generating set
internal check valve
jointly determined endogenous variable
katogenic
kitambilla
Lampropeltis getulus
langles
leather packing
lectulum
LePenism
long-distance navigation
LRR
LVSW
Magalang
manganesate
mbalax
Megaderma
menzy
mercantile enquiry agency
metacommand
microangium
mobility modeling
multiple position circuit
multitransformer spot welder
muynak
myorrhexis
Nigerian National Petroleum Corp.
nodulose
noise insulating material
oxidizer pump
payment upon arrival of documents
planned sale
pol-change
reliefe
research project
screw extruding briquetting
second level predicate
serial-parallel-serial
sewage disposal vessel
sigma virus
snap-action
spray cooled crystallizer
steam drain pipe
symmetric bilinear mapping
system converter
take her rest
taken separately
thread plug gauge
total stocks issued
twin beams
unbegrave
unequally spaced intervals
voice phishing
voice-frequency oscillator
volumetrical rate of reaction coefficient
worldwide treaty