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
.mk
admonishingly
anhydrating agent
aspidocuspaine
belaud
block performance analysis
boring head
buffer section
burn-up rate
Calytrix
camshaft gear timing indicator
Celastrus virens
Channing
coccygeus muscle
collision situation
commune with nature
consolidation and merger
de-tuning
determinant of a matrix
distance instruction
disturbance field strength
dma functions
double break contacts
dynamic pick-up
emprime
Enox
excoction
eyer
fairy swallow
FMOC
G-job
grocerant
have the it by the throat
heat system
hezb-e-islami
highly charged ion
histo
hot heat
hypostyle
infantile encephalitis
iodide decomposition process
isotopic exchange
jackshaft drive pinion
jinxy
jollux
lactosylceramides
lay-ins
legal neglience
Maxwell Fracture Zone
means of support
milk tank vehicle
monoamnionic twin pregnancy
multiple-stage method
net receipt
night visual range
nornarceine
not much good
nucleus (brown 1831)
olderman
one-way movement
onosko
operational accounting and analyis system
original entry
parallel photometric analysis
parrothead
partially weather-protected location
Pechopal
permissible draft
perturbation term
pet coke
photo messaging
Poro-dong
preemploying
producing homogeneous magnetic field
radiation diagrams
ratio of revolution difference
RE-A-A
reserve for burden adjustment
resignedly
returns and allowance book
Ridenol
scheinin
semicontinuous mapping
setantas
settlement clerk
shows me up
slugness
solerette
sotolone
stick-fixed static stability
subweb
supply other fertilizer materials
taper-shank triple-grip drill-chuck
Target zones
taver
top-down allocation
torpedo depot
unedified
uniform series
unilateral-system
us secretary of state
videocall