声面波元件泸波器

Windows Vex Bats' Echolocating Abilities 干扰蝙蝠回声定位的烦人窗 Just as humans understand the shape of our surroundings by how light reflects off objects, bats use reflections of sounds they produce insteadwhats called echolocation. But

发表于:2018-12-02 / 阅读(139) / 评论(0) 分类 2017年Scientific American(九)月

Broadcast: January 27, 2003 By Jill Moss This is the VOA Special English Development Report. Researchers have discovered a simple answer to a huge problem in developing countries. They have found that

发表于:2018-12-07 / 阅读(158) / 评论(0) 分类 VOA2003(上)-健康资讯

Prisma App Makes Art Out of Photos Pokmon GO is the most popular app in the world right now. But another new app is also getting a lot of attention. And its free. Prisma lets users add filters to photos to interesting, beautiful and strange effect. T

发表于:2018-12-08 / 阅读(153) / 评论(0) 分类 2016年VOA慢速英语(七)月

Jack plunched down into thesea, the water was freezing cold, hepumped back up to the surface, choaking and coughing, the lifevest kept Jack closed, but the waves kept hammering at him. Help! Jack shouted. Thought to the twenty foot tiger shark, andmy

发表于:2018-12-10 / 阅读(143) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Reading and Processing Emails Every day I feel more and more overwhelmed by email. Once I turn on my computer and look at my inbox, I get sucked into reading and responding to emails. I have a personal email account and an email account for work. Wit

发表于:2018-12-18 / 阅读(156) / 评论(0) 分类 2015年ESL之商务英语

I hate junk mail. Im sick and tired of it filling up my InBox. I mean, who believes the stuff written in it? I love the ones that start with Dearest and then tell you how their uncle died during some war and they need your help to transfer $18 millio

发表于:2018-12-26 / 阅读(113) / 评论(0) 分类 纯正英语一分钟

Tired of waiting for a webpage to download? Then, sign up for the hottest broadband highway to the Internet from Impact Solutions. We provide you unlimited monthly access, 24/7 technical support, 30 MB of free webspace for your personal or business s

发表于:2018-12-28 / 阅读(140) / 评论(0) 分类 听英文对话做选择

Sunscreened Plants 遮光植物 A NASA researcher is finding that alfalfa plants grow more poorly when exposed to UVB -- ultraviolet B radiation from the sun. Learn more about sunscreened plants -- today on Earth and Sky. JB: This is Earth and Sky. Eart

发表于:2019-01-02 / 阅读(210) / 评论(0) 分类 (科普英语)Earth and Sky

From VOA Learning English, this is the Health Lifestyle report. In parts of India, it is not uncommon to see people wearing a mask over their nose and mouth. The capital, New Delhi, has some of the world's dirtiest air. The pollution was a call for a

发表于:2019-01-03 / 阅读(150) / 评论(0) 分类 2018年VOA慢速英语(一)月

This is the VOA Special English Development Report. Every day, millions of people around the world drink water from wells that are polluted with high levels of arsenic. Arsenic is an element that can be released into groundwater by soil and rocks. Ov

发表于:2019-01-11 / 阅读(117) / 评论(0) 分类 VOA慢速英语2007年(二)月

Now one of the things that I do is I don't use any filters, I don't use anything to 我录制的所有视频都没有做过特效处理,什么处理都没有 I try to capture the moment as much as possible as the way that I saw it with my own eyes.

发表于:2019-01-18 / 阅读(112) / 评论(0) 分类 TED演讲教育篇

By Liu Enming San Francisco, California 04 September 2007 Pipe picks up sounds created by waves At the tip of a tiny peninsula near San Francisco, California's Golden Gate Bridge stands the Wave Organ, a work of art that allows people to listen to mu

发表于:2019-01-20 / 阅读(181) / 评论(0) 分类 2007年VOA标准英语(九月)

Language Points A guy that's alone in forest kisses a dead body while seven other guys watch. 白雪公主和七个小矮人 Girl wakes up to a stranger on top of her in a bed, but it's cool because he is hot. 睡美人 The one where Jennifer Annisto

发表于:2019-01-21 / 阅读(117) / 评论(0) 分类 爆笑英语口语

Science and technology 科学和技术 Computer vision 计算机模拟视觉 Eye robot 你是我的眼 Poor eyesight remains one of the main obstacles to letting robots loose among humans. 放手让机器人在人类社会自由活动仍存在重大障

发表于:2019-01-26 / 阅读(195) / 评论(0) 分类 经济学人科技系列

DEVELOPMENT REPORT – Cloth Filters Fight Cholera By Jill Moss Broadcast: Monday, February 14, 2005 I'm Gwen Outen with the VOA Special English Development Report. A few years ago, researchers discov

发表于:2019-01-30 / 阅读(142) / 评论(0) 分类 农业与发展

Just as humans understand the shape of oursurroundings by how light reflects off objects, batsuse reflections of sounds they produce insteadwhat's called echolocation. But despite theirexcellent sensing abilities, one type of obstaclevexes the animal

发表于:2019-02-14 / 阅读(117) / 评论(0) 分类 2018年科学美国人1月

The Way It Goes (Acoustic) - Passenger One man's home is another man's journey Stars shine late and the sun shines early One man's straight and another man's curly It's just the way it goes One man's trash is another man's treasure Rummaging around i

发表于:2019-02-18 / 阅读(134) / 评论(0) 分类 英文摇滚歌曲

Those waves hitting the sand actually begin far out at sea. And it doesnt take much to get them going. A little wind will do the trick. First the wind blows over the surface of the water, generating the little ripples you can see just by blowing acro

发表于:2019-02-23 / 阅读(116) / 评论(0) 分类 英语时差8,16

Idiom: Salt in the wound ( make people feel worse ) Hit the book: Source of stress Poverty Isolating time Be up against Financial challenge Guilty Scrape through Grateful When asked about gifts for children under 10, the majority of households said y

发表于:2019-02-23 / 阅读(148) / 评论(0) 分类 趣味青春英语

I hate junk mail. Im sick and tired of it filling up my InBox. I mean, who believes the stuff written in it? I love the ones that start with Dearest and then tell you how their uncle died during some war and they need your help to transfer $18 millio

发表于:2019-02-27 / 阅读(167) / 评论(0) 分类 听一分钟英文-J
学英语单词
acromio-iliac presentation
aguillas
alternarine
an odd lot
Arachadonic
backjoint
base-forming
bel-accoil
benyi
bioneogenesis
bradens
Buccos
canrased meats
cephalopin
Changjin-gun
cheek block
cinqs
cocounsel
continuous wave oscillation
control rod drive package
correction of geocentric latitude
cypraea poraria
dipswitch
djouce mt.
dry powder method
edible aquatic organism
EMLD
enclothe
favourless
feet first
gluma
hebrew-speaking
Hemingbrough
heptyl aldehyde
Holboellia ovatifoliolata
impacting shaft
incomplete cleftlip
inconveniently
indicated thermal-efficiency
intitule
jasp opal
kalureses
laminarias
lcls
light port
magnoliid dicot family
markovites
molal
moneysaving
Mugay
mushroom soup
must gauge
nipkov disk
norinchukin
nozzle discharge coefficient
occultation instrument
ODL (output data line)
off-tune
OpenGL ES
output regulator problem
paraffinaceous petroleum
paralumbar
phosphonamidic acid
planarization algorithm
plate coordinate
pollen substitute
prescribed condition
pseudodementias
pseudomonomerous ovary
rcss (random communication satellite system)
residual pressure
rotary relay
Secchi, Pletro Angelo
set up someone
shozo
snorkel breathers
soft acid
soluble anode
Spijkenisse
ST_changing-and-not-changing_adapting-and-modifying
stachnik
stackup
stayless
stink up something
stockholder-in-process
Streptomyces halstedii
string of barges
surface mounting
surfari
tenicides
torijani
Tunga penetrans
tvr
two-band receiver
u-ie
Vaccinium brachyandrum
walkerdines
wavefront representation
white mill blanks
wild snapdragons
wind erosion pillar
Xinchang