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(248) / 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(195) / 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(267) / 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(225) / 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(276) / 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(192) / 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(272) / 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(226) / 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(156) / 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(166) / 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(189) / 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(208) / 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(206) / 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(238) / 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(247) / 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(217) / 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(174) / 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(155) / 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(143) / 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(265) / 评论(0) 分类 经济学人综合
学英语单词
A-H
agreement of international through traffic
animal dander
as-is
Bebington
bend the crab
biscotins
blasted
blebbed
boltcutters
bossnapping
burst-mode
cadastral management
carbon resistance thermometre
chicle gums
cluster Monte Carlo method
coelophyses
communicated movement
comparative income statement
composite return form
countercurrent column
credulist
demand a lower price
double-skin roof
electro-optic crystal light modulator
enrobe
epiglot
Eretria
framing effect
free vortex motion
full - blown aids
future net revenue loan value
gotthold
guide pad
holes code
Humppila
hypertonia hypertropy
ice yachts
iniforis speciosa
inner reflux
kempen
Kirschner wire
knock out of
La Xuyen
Lac du Flambeau Indian Reservation
Lely, Sir Peter
lih-
liliid monocot families
long-run trend
look lively
magazine camera
material classification
meningogenic
minilog
miusidin
mock iodine-131
morettis
Morita therapy
multiple wave winding
myxosarcomatous
novi-
off sick
optimas
paragraphically
particulate radiations
performance anatomy
Pesotum
photosaturation current
pissed
porphyrin-ferrochelatase
potential site
pressing lead wires
printing reperforator
problem-related
proxymetacaine
Ptychobarbus
record playback robot
ring fracture
role begin date/time
rope braiding machine
San José del Retiro
shiftstick
shri
spermatheca (pl.spermathecae)
spherical roof
squirmers
stander-by
step up pulse transformer
sudden gaseous discharge
take someone by surprise
throwing mechanism
touch-tone
transformer bay
twin-screw
Unsu
up-dip
Vallisneria spiralis L.
vapor container spray system
Wuywurung
Xanthophyllum yunnanense
yogurts
zinc fluosilicate