声面波侦测器

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(202) / 评论(0) 分类 2017年Scientific American(九)月

Catchawaveandyouresittin Ontopoftheworld Dontbeafraidtotrythegreatest Sportaround (Catchawave,catchawavenow) Thosewhodontjusthaveto Putitdown Youpaddleoutturnaroundandraise Andbaby Thatsallthereistothe Coastlinecraze Catchawaveandyouresittin Ontopoft

发表于:2018-12-06 / 阅读(175) / 评论(0) 分类 美国 Kidsongs 英语儿童歌曲

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(219) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

A: Hello, this is Betty. B: Hi, Betty. Larry here. How many smoke detectors are in your apartment? A: Actually, I have two. B: Are the batteries fresh? A: Both batteries are good. B: Great. I need to come by and check them myself. A: No problem, when

发表于:2018-12-26 / 阅读(202) / 评论(0) 分类 租住公寓-Renting an Apartment

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 long [ lCN ] I longed for a bicycle. v

发表于:2018-12-30 / 阅读(247) / 评论(0) 分类 每日攻克5词

CatchAWave Catchawaveandyouresittin Ontopoftheworld Dontbeafraidtotrythegreatest Sportaround (Catchawave,catchawavenow) Thosewhodontjusthaveto Putitdown Youpaddleoutturnaroundandraise Andbaby Thatsallthereistothe Coastlinecraze Catchawaveandyouresitt

发表于:2018-12-31 / 阅读(260) / 评论(0) 分类 美国 Kidsongs 英语儿童歌曲

今天我们要学的词是heat wave。 Heat wave, 热浪,高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

发表于:2019-01-07 / 阅读(225) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是heat wave。 Heat wave, 热浪,高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

发表于:2019-01-07 / 阅读(224) / 评论(0) 分类 英语每日一词

MICHEL MARTIN, HOST: Let's talk midterm elections now. The enthusiasm of Democrats is a major force shaping this year's crop of candidates. Among the results of a newly energized Democratic Party, far more women are running and expected to run in thi

发表于:2019-01-16 / 阅读(247) / 评论(0) 分类 2018年NPR美国国家公共电台3月

A: Hello. B: Hi, Betty. It's Larry. Can you tell me how many smoke detectors you have? A: There are two smoke detectors in my apartment. B: Do you know how new the batteries are? A: I'm very afraid of fires. I change the batteries every Labor Day. B:

发表于:2019-01-20 / 阅读(169) / 评论(0) 分类 地道英语对话-租房

A: Hello, Betty speaking. B: Hey, Betty. This is Larry. Tell me how many smoke detectors you have, please. A: This apartment came with one, and I installed another one. B: Are there fresh batteries in each of them? A: Each detector beeps when the bat

发表于:2019-01-20 / 阅读(154) / 评论(0) 分类 地道英语对话-租房

A: Hello, this is Betty. B: Hello, Betty. This is Larry. How many smoke detectors are on your ceiling? A: I have two smoke detectors. B: Do you have fresh batteries in both of them? A: Both batteries are pretty fresh. B: Very good. I have to come by

发表于:2019-01-20 / 阅读(149) / 评论(0) 分类 地道英语对话-租房

A: Hello, this is Betty. B: Hi, Betty. Larry here. How many smoke detectors are in your apartment? A: Actually, I have two. B: Are the batteries fresh? A: Both batteries are good. B: Great. I need to come by and check them myself. A: No problem, when

发表于:2019-01-20 / 阅读(162) / 评论(0) 分类 地道英语对话-租房

A: Hi, this is Betty. B: Hi, Betty. It's Larry. I need to know how many smoke detectors are in your apartment. A: There was one when I moved in. Then I added one. B: Do both detectors have fresh batteries? A: I always keep them fresh. I don't want to

发表于:2019-01-20 / 阅读(183) / 评论(0) 分类 地道英语对话-租房

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(251) / 评论(0) 分类 2007年VOA标准英语(九月)

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(163) / 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(170) / 评论(0) 分类 英文摇滚歌曲

PERTH, Australia/KUALA LUMPUR, April 6 (Xinhua) -- Chinese and Australian ships have picked up acoustic signals while searching for missing Malaysia Airlines Flight MH370 in the southern Indian Ocean. The underwater detection represents an important

发表于:2019-02-18 / 阅读(385) / 评论(0) 分类 英语新闻

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(152) / 评论(0) 分类 英语时差8,16

Sunrise... sunset One day I just can't forget. I follow you... you follow me We left footprints on the beach... You're so wrong... you're so right I can see us bathing in the moonlight Can you... can you... see... see it... see it too? (This is what

发表于:2019-03-04 / 阅读(316) / 评论(0) 分类 节奏布鲁斯
学英语单词
actuarian
aculea (pl. -leae)
adjudication rule
allocation of actual factory overhead to products
altitude parallel
amillennialism
annus confusionis
Atanasoff-Berry Computer
autonomic computing
care of equipment
casket stand
chambertins
circulating groundwater
condit
constant pressure change
corporation management
Cynanchum longipedunculatum
deck charge
directly executable test oriented language
disengager lever
domectic treatment
elasticity of supply of commodities
endometriosis coli
enubilated
equatorial air mass
etsy.com
feelgoods
filopod
finesses
fitness level
fixed shading
function model
gassets
genus amberboas
geodetic astronomic observation
gipsied
gloriations
gwaii haanas national park reserve
halfway lines
hot water rinse
human-machines
Hydrolized
hypnea seticulosa j.ag.
Indosasa parvifolia
invalid food
IQED
La Haye-St-Sylvestre
lapped dovetail joint
Laroche-St-Cydroine
laugh loudly
Leah
limestone soil
loading trough
low-speed winch
marianisma
meadow dermatitis
miniland
minnesingers
mixed type acid-base disturbance
morefold
Mossat
multidevice
multiple-buoy moorings
Mursan
nearb
novogorods
oenophil
offett
oil filter outlet pipe
parallel main storage
plumicorn
polar plume
potthast
pressure tank,pressure reservoir
proanthostrobilus
progressions
proprietary insurance
pygmy glider
pyrocephaluss
Qala, Ras il-
quercus gilliana rehd et wils
ratio of sales to production
repose slope
reserve for revenue bond debt service
s-hertogenbosch (bois-le-duc)
schizothyme
semiempirical
Socotra(Suqutra)
spineless dogfish
storm light
story-tellers
strobo lamp
Sullivan Bay
surplus budget
teeterboard, teetering-board
termination shock
Thymus przewalskii
toxicosis metallicus
veterinary hospitals
wave length-ship length ratio
wonton
yang hui triangle