声面波量测

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

This is the second in a two-part Business English Pod series on performance appraisals. In the first lesson, we covered giving feedback. In this podcast, we will discuss setting goals. The American poet Carl Sandberg once said, Nothing happens unless

发表于:2018-12-05 / 阅读(125) / 评论(0) 分类 商务英语管理课程

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(86) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Lesson 17 Dialog 1: New Words: Skip(跳过) F:With bar coded inventory , you can restock quickly. M: Sure! Whatever you buy ,we can replace it from either the storeroom or the factory. F: So now,you want to take this one step further? M: Right, We wa

发表于:2018-12-15 / 阅读(106) / 评论(0) 分类 VOA 商务英语

40In the twenty-fifth year of our exile, at the beginning of the year, on the tenth of the month, in the fourteenth year after the fall of the city-on that very day the hand of the LORD was upon me and he took me there. 2In visions of God he took me

发表于:2018-12-18 / 阅读(55) / 评论(0) 分类 圣经旧约 以西结书

One of the organizers of the Olympic ceremony, of the opening ceremony, 奥林匹克开幕式的一位组织者, called me and said that I had been selected to be one of the flag-bearers. 通知我被他们选中,作为一名护旗手。 I replie

发表于:2018-12-18 / 阅读(37) / 评论(0) 分类 TED演讲国际问题篇

I began teaching with the idea of giving back; But I received more than I gave. This brings me to the final movement of this speech. It begins with a story about an extraordinary scientific discovery and a newdilemmathat it poses. Its a call to arms

发表于:2018-12-18 / 阅读(41) / 评论(0) 分类 TED演讲教育篇

Whether you get hired for a new job, promoted, or reassigned to a new position, you will most likely have a new boss. Each time that happens, you must develop a new professional relationship with the person you rely on for direction, development, and

发表于:2019-01-08 / 阅读(75) / 评论(0) 分类 英语美文

Fresh Water 淡水 Fresh water comes from ponds, lakes, rivers and streams. 淡水来自于池塘、湖泊、河流和溪流。 People use fresh water for drinking, farming and so on. 淡水可用于饮用、耕种等等。 People can only drink fres

发表于:2019-01-10 / 阅读(63) / 评论(0) 分类 与美国小学生一起学英文第3册

67.Tailor's 裁缝店(上) 1.Can you make me a suit from this cloth? 2.I have this material for a suit. 3.I'd like to have a suit made with this material,please. 4.When will it be ready? 5.All right, we'll see to it. 6.Can you make this dress into a

发表于:2019-01-11 / 阅读(104) / 评论(0) 分类 英语口语每天说

Measurements 测量 A: Hi Sven, can you help me? Could you hold the end of the tape measure, please? A:你好,斯芬,你可以帮我一下吗?你可以给我拉着卷尺的头吗? B: Of course, where do you want me to stand? B:当然可以,你想

发表于:2019-01-14 / 阅读(50) / 评论(0) 分类 职业技术英语口语

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(124) / 评论(0) 分类 2007年VOA标准英语(九月)

NASA has accomplished another first. I guess my summary is really cool. Today we kicked up some moon dusts and all indications are.. its going to be a very interesting set of results. As we, uh, approach very rapidly the surface of the Cabeus crater.

发表于:2019-01-22 / 阅读(59) / 评论(0) 分类 自然百科2009年

With Mason refusing to survey the mountain, the job fell to Maskelyne. So for four months in the summer of 1774, Maskelyne lived in a tent in a remote Scottish glen and spent his days directing a team of surveyors, who took hundreds of measurements f

发表于:2019-01-29 / 阅读(89) / 评论(0) 分类 万物简史

Fridays are awesome. It seems I have said that before. I'm Carl Azuz for commercial-free CNN STUDENT NEWS. It is month and one day until the official end of summer in the northern hemisphere. But scientists say, worldwide, July was the warmest month

发表于:2019-02-03 / 阅读(57) / 评论(0) 分类 英语新闻

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(62) / 评论(0) 分类 2018年科学美国人1月

Lana measured Stubway's foot long sandwich. It didn't measure up. It was 11 inches long. She measured her friend's foot long. It was a tad longer, at 11.5 inches. For the next three months, Lana measured Stubway's sandwiches. She got her Facelook fri

发表于:2019-02-15 / 阅读(73) / 评论(0) 分类 英文短篇故事(纽约)

But soon my line was out; and following it back, I emerged from the opening where I entered. 可是,不一会,我的麻线拉完了;只得顺着麻线打回头,从刚才进去的那个缺口出来。 I saw no living thing within; naught was t

发表于:2019-02-17 / 阅读(48) / 评论(0) 分类 白鲸记

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(79) / 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(65) / 评论(0) 分类 英语时差8,16
学英语单词
3-carboxyantipyrine
9 de Julio
a little tin god
acorea
adens
aerodromic
ambiguity problem
Amomum hongtsaoko
animal behaviour
antikinesis
atomic bombs
Bacchae
black bullhead
block mould
Boesmansrivier
bony bream
bull ditcher
burn notice
business accountability
career fair
causal links
Cirrhopetalum
Clostridium botulinum toxoid
Coats'disease
common augite
complexedness
Cryptococcus histolyticus
cytonecrosis
Darier
Descamisado
descort
Dutch Gujana
Electromagnetic Clutches
erecting diagram
escape integral
extension methods
farmlands
Fermi characteristic energy level
frictionfactor
full-length liner
Fā'id
grinding slip
hof
holistic choice
hydrogamy
in-situ gasification
inspection by judge
inter-unions
interlaminar zone
international administrative law
intra class correlation
launch time
leval alloy
logoes
macroclimatic
Margin Debt
metetoin
micro-necking
minute counter toothed sector
monkeyengine
navel-gall
neck-break
nitrile silicone rubber
onlapped
ostracized
ovarian tuberculosis
Oxygraphis polypetala
paint-burner
plantar flexors
prismatic level
put one's best foot first
resources assessment
rice-grain decoration
roof-racks
rose-tinged
roughage
scale for charge make-up
scrawny
seakeeping theory
seditiously
sequential dependent segment
shari rivers
shear gage length indicator
Slooten
small house
soberingly
species pool
spirillum minuss
spurious regressions
stackin' papers
stockingette
sulforicinoleic acid
surgyon
surirella fastuosa
system control panel
test-marketed
throw a monkey wrench into
toxic peripheral neuritis
tracking and data-relay satellite (tdrs)
uniform stability
West Central German
wooden suit