亚声频振动

UNIT 4 Text A PRE-READING TASK Exercise 1 Before reading the passage, look at these questions. Then try to find the answers as you read it. 1. Where is the Bermuda Triangle located? 2. What happened t

发表于:2018-12-11 / 阅读(214) / 评论(0) 分类 实用英语综合教程

PART A Micro-Listening 1. W: How do you like talking with your roommate Paul? M: Oh, he always beats around the bush. Q : What do we know about Paul? 2. W: What a mess! The guests will be here soon. M: Take it easy. I assure you the house will be spo

发表于:2018-12-12 / 阅读(96) / 评论(0) 分类 大学英语听力第四册

However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何,我最终得到了一些硼烷,这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,

发表于:2018-12-19 / 阅读(146) / 评论(0) 分类 TED演讲教育篇

This is Scientific Americans' 60-Second Science. I am Karen Hopkin, this will just take a minute. Most school kids know that snakes can see with their noses, Vipers in particular have these organs on their noggins that allow them to see heat which he

发表于:2018-12-24 / 阅读(115) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 Scientific American(十)月

Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu

发表于:2018-12-24 / 阅读(162) / 评论(0) 分类 Scientific American(九)月

At a Repairing Shop Dialogue 1 -Can I help you? -I'm coing to have the gas meter repaired. -What's wrong? -It doesn't work,and can't accurately show the level of the gas in the rank.Fortunately I found the problem.Otherwise,I'll be late for the meet

发表于:2018-12-25 / 阅读(113) / 评论(0) 分类 公务员口语

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(十一)月

Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethings wrong. Or can it? M.I.T. researchers say theyve developed a fiber that would allow clothing to eventually do those things. Their study is in

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 Scientific American(七)月

It may look all shiny and new, but your smartphone is probably one of the filthiest things you own. The amount of bacteria and germs it carries is disgustingly huge, which is probably why a Japanese company is targeting germaphobes with the worlds fi

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 阅读空间

1. Your stomach has to produce a new layer of mucus every two weeks otherwise it will digest itself. 为了防止把自己消化掉,你的胃不得不每隔两周就造出一层新的粘膜。 2. Owls are the only birds that can see the colour blue

发表于:2019-02-01 / 阅读(140) / 评论(0) 分类 英语美文

We all know time is a construct, and right now, it's kept by the very precise tick of an international network of around 500 atomic clocks. 我们都知道时间是个复杂的概念。目前,世界上有一个由大约500台原子钟组成的网络,

发表于:2019-02-01 / 阅读(111) / 评论(0) 分类 阅读空间

1. You spend about 23 years sleeping in a 70 year life。 在70年的生命中,你大约要花23年的时间睡觉。 2. Owls are the only birds that can see the colour blue。 猫头鹰是唯一能看见蓝色的鸟类。 3. Your stomach has to pr

发表于:2019-02-05 / 阅读(105) / 评论(0) 分类 英语口语

Science and technology 科学技术 Channelling heat 导热 Good conduct 优质传导 It may soon be possible to control heat flows with great precision 可能很快人们就有可能如臂使指地控制热量流动了 HEAT, as every schoolboy knows

发表于:2019-02-06 / 阅读(110) / 评论(0) 分类 经济学人科技系列

Many of us have reached in our pockets, feeling a vibration, wrongly believing our mobile phones have just rung. 许多人都曾有过这样的错觉:觉得手机在振动,于是去口袋拿手机,结果手机根本没响。 The phenomenon even

发表于:2019-02-07 / 阅读(128) / 评论(0) 分类 阅读空间

Malaria killed 435,000 people last year, most of them in Africa. 去年435,000人死于疟疾,其中大部分在非洲。 The parasite that causes the illness is carried by females of some, but not all, species of mosquitoes of the genus Anopheles.

发表于:2019-02-16 / 阅读(147) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Channelling heat 传递热量 Good conduct 良好的传导 It may soon be possible to control heat flows with great precision 有可能实现对热流的精确控制 HEAT, as every schoolboy knows, moves in three w

发表于:2019-02-17 / 阅读(117) / 评论(0) 分类 经济学人科技系列

你可能不知道的趣味生活常识 1.You spend about 23 years sleeping in a 70 year life。 在70年的生命中,你大约要花23年的时间睡觉。 2. Owls are the only birds that can see the colour blue。 猫头鹰是唯一能看见蓝

发表于:2019-02-17 / 阅读(124) / 评论(0) 分类 阅读空间

You spend about 23 years sleeping in a 70 year life。 在70年的生命中,你大约要花23年的时间睡觉。 Owls are the only birds that can see the colour blue。 猫头鹰是唯一能看见蓝色的鸟类。 Your stomach has to produce a n

发表于:2019-02-17 / 阅读(131) / 评论(0) 分类 实用英语

[00:12.00]Day 10 [00:14.00]exact [00:15.00]To be exact, she is a very exact person. [00:20.00]explore [00:22.00]As soon as they arrived in the town [00:23.50]they went out to explore. [00:27.00]exposure [00:28.00]Exposure of children to TV violence [

发表于:2019-03-16 / 阅读(373) / 评论(0) 分类 星火英语四级2000核心词
学英语单词
'Eynābād
algaas led
antidrugs
automatic homing control
bendway
Bernard therapy
bilidien
bivalent(haecker 1892)
Bruno,Saint
carlots
ccitt x series
chondroitinsulfatases
column matrix
condensing throat
consulteth
Cymbidium serratum
dinitrogen pentaoxide
dividend growth
dojas
El Perdigón
elbon
ethylene oxide adduct
evergreen fund
external carotid artery
flashing rate
flush closedown
forex futures
fork extension sleeve with rollers
free-pc
Frova
GM_late-or-lately
hand off-auto switch
hand operated punch card
heavy fluid separation
horst
hypoid generator
iliococcygeal muscle
internal spline nut
ionization techniques
irruption vein
jumbojets
lepel
loan statistics
LWV
m'en
marsh ore
mast fittings
mcdonnell-douglas
model house
myomohysterectomy
national revenue
nickel resist
nonequilateral
nonpopular
odourprint
of all kinds
ozonospheres
paper machine room
partial autoregressive matrix
peroxy-monosulfate
phylum nemerteas
pickstock
Potentilla fragarioides
Pterocarpus L.
radiated aggregate
rate of water added
reactional hypoglycemia
ready to go
reasonable force
record marker
resource allocator
retinacula tendinum musculorum extensorum
roadside apparatus
rosonolactone
run program file
Sangamonian
Saussurea scabrida
SBAC
schoolmen
Shouwang
sketchlike
slow scan
social-security
Souléiséré
submicroscopic strucure
sulcus circularis
superdeformation
supratriangular space
synthetic fat binder
take upon yourselves
tennessine
tenopir
thermoluminescent dating
tool adjustment
trans-antarctic mountains
tubulins
vacancy loop
warfarings
weld interpass temperature
y? wu wu ch'i
young marine soil
zhangyi