流体控制层

The situation is still very fluid. There remains degree of uncertainty and there are still regime elements who pose a threat. But this much is clear: The Gaddafi regime is coming to an end, and the future of Libya is in the hands of its people. In ju

发表于:2018-12-02 / 阅读(74) / 评论(0) 分类 CNN2011年(八)月

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2018-12-04 / 阅读(111) / 评论(0) 分类 听一分钟英文-O

Do you need eight glasses of water everyday? Tring to do the right thing by drinking eight full glasses of water everyday may do little more than making a person run to the bathroom, a researcher said. Newspaper articles, health and beauty magazines

发表于:2018-12-05 / 阅读(89) / 评论(0) 分类 有声杂志阅读

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Life requires balance. We balance work and family. We eat a balanced breakfast, sometimes. And we balance our electrolytes. That salt-water synergy is no

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(九)月

This is Scientific Americans -60 seconds science .I'm Steve Murskey.Got the minute? People with high blood pressure are often told to watch the salt, and it's long been far that hypertension related to excess salt is caused by the salt increasing in

发表于:2018-12-24 / 阅读(68) / 评论(0) 分类 Scientific American(一)月

There is a special day to recognize the importance of the ozone layer. In 1995, the United Nations General Assembly decided September 16th is the International Day for the Preservation of the Ozone Layer. This is the date on which countries signed th

发表于:2018-12-29 / 阅读(140) / 评论(0) 分类 英语课程学习计划和讲义

1. fluid /ˈflu:ɪd/ -- 1. substance that flows 2. not rigid; changing easily Air, water, molasses and milk are all fluids. 空气、水、糖蜜和牛奶都是流体。 During November, the military situation remained fluid, with advances and retres

发表于:2018-12-30 / 阅读(105) / 评论(0) 分类 突破英文词汇

The Spring season brings all sorts of life and activity to this valley. You see people out on the streets, walking their dogs, in the parks with friends, and the school fields are full of sporting activities. For the first time, my daughter is in soc

发表于:2019-01-01 / 阅读(90) / 评论(0) 分类 英语博客 A cup of English

Portions of the San Andreas fault seem to self-lubricate with a clay layer that's deposited by fluid seeping through cracks opened by fault movement The North American and Pacific plates meet in California at the San Andreas fault. The plates grind p

发表于:2019-01-02 / 阅读(107) / 评论(0) 分类 60秒科学

HEALTH REPORT - Waltzing Pumps Up Heart PatientsBy Lawan Davis Broadcast: Wednesday, November 29, 2006 This is the VOA Special English Health Report. A social dancing program at a senior citizen cente

发表于:2019-01-02 / 阅读(74) / 评论(0) 分类 2006年慢速英语(十一)月

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(100) / 评论(0) 分类 Scientific American(十一)月

I first heard about the ozone layer about twenty years ago. I was still in school. I thought it was interesting, but I didnt take it seriously. It was a bit like science fiction, I mean, how could there be a giant hole in the atmosphere? Over the yea

发表于:2019-01-21 / 阅读(109) / 评论(0) 分类 纯正英语一分钟

CHARLIE: Beer! Where is the beer! HUGH: Don't be such a beer hog, Charlie. Why don't we play some frisbee first? CHARLIE: Frisbee? Without beer? Are you kidding? I won't be able to catch it. I won't b

发表于:2019-01-22 / 阅读(149) / 评论(0) 分类 娱乐英语

Sleep. It's something we spend about a third of our lives doing, but do any of us really understand what it's all about? Two thousand years ago, Galen, one of the most prominent medical researchers of the ancient world, proposed that while we're awak

发表于:2019-01-24 / 阅读(113) / 评论(0) 分类 英语语言学习

22 防止口蹄疫的传播 DATE=3-17-01 TITLE=IN THE NEWS #472 - Foot-and-Mouth (1)Disease BYLINE=George Grow (Start at 1'08

发表于:2019-01-30 / 阅读(101) / 评论(0) 分类 科技之光

flow vi.流,流动 flower n.花,花卉;开花 flu n.流行性感冒 fluctuate vi.波动 vt.使波动 fluent a.流利的,流畅的 fluid n.流体,液体 flush n.兴奋,脸红;发烧 flute

发表于:2019-02-01 / 阅读(321) / 评论(0) 分类 考研英语

He can get a sense of the sweep of the whole company, the iPhone and iPad, the iMac and laptop and everything we're considering. 他能够把握公司的全局,包括iPhone、iPad、iMac和笔记本电脑,以及其他我们正在考虑的产品。

发表于:2019-02-15 / 阅读(50) / 评论(0) 分类 乔布斯传

后角 clearance angle 龙门刨削 planing 主轴 spindle 主轴箱 headstock 卡盘 chuck 加工中心 machining center 车刀 lathe tool 车床 lathe 钻削 镗削 bore 车削 turning 磨床 grinder 基准 benchmark 钳工 locksmith 锻 forge 压模

发表于:2019-02-18 / 阅读(113) / 评论(0) 分类 实用英语

Can it really be sixty-two years ago that I first saw you? 我们初次相遇,难道真的是六十二年前吗? It is truly a lifetime, I know. But as I gaze into your eyes now, it seems like only yesterday that I first saw you, in that small ca

发表于:2019-02-19 / 阅读(76) / 评论(0) 分类 英语美文

My friend Sarah is a vet. I have asked her to tell us about a typical days work. I am a veterinary surgeon and work for a charity called PDSA, which stands for the Peoples Dispensary for Sick Animals. We treat pets belonging to people who are on stat

发表于:2019-03-01 / 阅读(126) / 评论(0) 分类 听播客学英语
学英语单词
25-hydroxy-ergo-calciferol
adjourn the trial of the case
amarvel
arc stud welding gun
baltazars
Ban Namnga
BBC
be worth notice
Bellas.
bicharacteristic curve
board off
bony dermal plate
bottom traction
Broca prism
buddy wrapping
card insertion and extraction tool
Carolingian
centgener plan
contract of insurance
coupled vibrations
decolonisations
do a sum in proportion
dog-hutch
dynamic balance level
dyspoiesis
electron cascade
emaki
energy of stain
entericoid fever
estate-grown
eurystylus sauteri
fibrodysplasias
fructuation
full service reduction
genus Aucuba
genus Betula
grooved heart cam
hypoxia tolerance test
inexorableness
interactive voice response
judg(e)ment creditor
keep both eyes peeled
let the sawdust out of
low-frequency rebroadcasting
maillots
main tooth
medium wave communication
medium weight
merlone
model agency
multiprocess control
myotropic
neurotrophins
Octometine
offtheshelf
oil filling regulator
old-timer
one direction pressing
outsized cargo
pedal effort
person limited in disposing capacity
personal defense weapon
polypropylene lining
pondhawk
prelocated
protectorate
pseudo-range measurement
puppet-play
pyrazinoic acid
quadrature transformer
ranhs
research directors
resource utilization curve
road picture
rudder-post stop
ruffle beam collar
scanning algorithm
school viewer
schwarzison
seawater lubricating stern tube
self-regulating characteristics
shelterwood compartment system
single avitaminosis
sir alfred charles bernard lovells
special A board
spray atomization and deposition
surface sterilization
tape loop cassette
theoretical service life
thoracoabdominal diaphragm
top-pour ladle
tormenter
tropical-forest
Tshibambo
tyre-cord fabric
umbonium moniliferum
unelectrified
Ungwatiri
ventrilocution
whirlbats
wire gauzes
wordness