注水增压泵

20-Kilometer Inflatable Tower Could Make Space Launches Cheaper 加拿大设计20公里长可充气通天塔使太空发射成本更低 Launching space vehicles is still very costly because booster rockets are not reusable. A space elevator could mak

发表于:2018-12-16 / 阅读(88) / 评论(0) 分类 VOA标准英语2015年(九月)

听力文本 Recording 19 录音19 A. At the bottom of the system, there is a storage tank, which can hold up to 500 litres of rainwater. The water stored in the tank can be used for general gardening and cleaning. A、在该系统底部有个贮存水

发表于:2018-12-18 / 阅读(135) / 评论(0) 分类 走进剑桥大学

04Making a Restaurant Reservation GLOSSARY reservation a request that a table, seat, or room be available for ones use at afuture time* Have you made hotel reservations yet for your trip to San Diego? How many will be in the party? How many people wi

发表于:2018-12-26 / 阅读(132) / 评论(0) 分类 2007年ESL之餐饮娱乐

05Using the Restroom GLOSSARY restroom a public bathroom; a large room with one or more toilets and sinks* Do you know where the mens restroom is? mess disordered; unclean; not organized or neat* Your room is a mess! Please clean it up before your gr

发表于:2018-12-26 / 阅读(128) / 评论(0) 分类 2008年ESL之日常生活

But it was... what happened was the ...understanding of how to move these things forward, and how to create these new products, somehow evaporated, 他们不懂如何利用新技术,不懂如何创造新产品 and I think a lot of good people stuck

发表于:2018-12-27 / 阅读(128) / 评论(0) 分类 名人传记

New Zealand will change the law to make it compulsory for children up to the age of 7 to sit in a booster seat in a car. At the moment, the law says it is compulsory for children up to the age of 5. Doctors at Starship hospital, which is the Auckland

发表于:2018-12-31 / 阅读(105) / 评论(0) 分类 新西兰英语

Steve, are you a firefighter, too? Violet asked as they followed him. Yes, he said, wheeling himself through a side door. I used to be on active duty, until I was injured in an accident. Since then I havent been able to walk. So now I work in the off

发表于:2018-12-31 / 阅读(141) / 评论(0) 分类 56 The Firehouse Mystery

Rainforests exist because it rains a lot and that makes the forests grow, right? Well, not so fast. What if its not the rain that makes the forestswhat if its the forests that actually generate the rain? Thats the contention of a paper in BioScience

发表于:2019-01-02 / 阅读(164) / 评论(0) 分类 60秒科学

Rainforests exist because it rains a lot and that makes forests grow, right? Well, not so fast. What if its not the rain that makes the forests? What if its the forests that actually generate the rain? That is the contention of a paper in BioScience

发表于:2019-01-08 / 阅读(128) / 评论(0) 分类 Scientific American(五)月

1. Police in Ferguson Missouri continued their investigation into the ambushed two police officers earlier Tuesday. The officers wearing police lines outside the Ferguson police apartment were demonstrated together. Both officers were being treated f

发表于:2019-01-11 / 阅读(136) / 评论(0) 分类 美联社新闻一分钟2015(三)月

NASA Successfully Tests New Rocket Engine NASA最强火箭测试成功 火星之旅指日可待 The American space agency successfully tested a powerful new rocket engine this week in the desert of northern Utah. The rocket booster is meant to take a

发表于:2019-01-12 / 阅读(214) / 评论(0) 分类 2016年VOA慢速英语(七)月

SpaceX Celebrates Historic Rocket Launch, Landing 创造历史!SpaceX火箭发射回收成功 And the safe landing is a big deal. It means that space travel could become a lot easier in the future. Normally rockets deliver their payload a satellite,

发表于:2019-01-12 / 阅读(95) / 评论(0) 分类 2015年VOA慢速英语(十二)月

STEVE INSKEEP, HOST: Philadelphia is looking at a new tool to fight opioid addictions - supervised injection sites. That's where people can safely inject heroin or other opioids under medical supervision. It would be the first such site in the U.S.,

发表于:2019-01-16 / 阅读(117) / 评论(0) 分类 2018年NPR美国国家公共电台1月

Engineer and inventor Martin Fisher has applied his passion for improving things to the challenge of eliminating poverty in rural Africa. As Maura Farrelly reports, his non-profit organization is transforming the lives of thousands of poor African f

发表于:2019-01-20 / 阅读(96) / 评论(0) 分类 VOA标准英语2008年(九月)

Todd: So Carla, you lived in Africa. Carla: We got married in Africa. Todd: Wow. Carla: And we moved to Nigeria. As I told you before, we got married in Ghana, and we moved to Nigeria. And our kids were born in Nigeria. But I wanna tell you a little

发表于:2019-01-30 / 阅读(168) / 评论(0) 分类 英语访谈对话

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2019-02-02 / 阅读(156) / 评论(0) 分类 英语单词荟萃

SpaceX announced a successful satellite launch on Sunday but failed an attempted sea-landing of a rocket booster, missing a goal that has repeatedly eluded the grasp of the Los Angeles-based rocket company. 总部位于旧金山的火箭公司SpaceX上

发表于:2019-02-03 / 阅读(107) / 评论(0) 分类 英语新闻

今天要学的一个词是:pump。pump,Pump一般是指泵,或抽水机。可是今天讲的pump是指汽车加油站的泵。英国石油公司宣布停止在阿拉斯加的石油开采,《洛杉矶时报》的标题说:Oilfield Closure t

发表于:2019-02-16 / 阅读(154) / 评论(0) 分类 学个词

Todd: So Carla, you lived in Africa. Carla: We got married in Africa. Todd: Wow. Carla: And we moved to Nigeria. As I told you before, we got married in Ghana, and we moved to Nigeria. And our kids were born in Nigeria. But I wanna tell you a little

发表于:2019-02-18 / 阅读(95) / 评论(0) 分类 原版英语对话1000个

If you visit upland areas of Britain places like the mountains of Scotland, or Wales, or the Pennine Hills in northern England you will see a lot of sheep. Many of the sheep are in places where there are no walls or hedges to keep them in their field

发表于:2019-02-19 / 阅读(133) / 评论(0) 分类 听播客学英语
学英语单词
Affing
airborne infrared mapper
Ammeloe
apatosauruss
automated information resource
base line development
bent our elbow
biomethylations
body-centered cubic packing
box level packaging
Brodmann areas
Bursa subcutanea prominentiae laryngealis
cater cousin
celestial horizon
character string picture data
cleaner's
cochleopupillary reflex
Coligny, Gaspard de
constant rate of extension
control heading
ctenostylids
current and accrued liabilities
diesel-driven single stage centrifugal pump
Dorukdibi
emerosema dispar
engrave on
foot-lambert
funiculopexy
have sth down to a fine art
heat tracing pipelining
heterodyne harmonic analyzer
holding work
hydrogen chamber
hydroxytryptophandecarboxylase
Hyndburn
hyperpneustic
infrared radiation sensor
inside slasher
instantaneous distance
intensity of spectral line
interlude
intermadiate distributing frame
internal alligatoring
irridentist
kaline
kohner
kolakowski
labor class
leaser
line filament
linoxin
MD (motor drive)
metallic material storage
metered mail
Mifflin
military allocations
milliarcsecond
monsterer
neutrophile granule
nonfinite
nonspecific immunity
normal goods
OFHA
Onavas
overwresting
Oxy-Chinol
paint sheet
perineal muscle
plan-parallel structure
Polyporeae
polyprenyl
preimages
prelatize
primary measurement
principle felling
pseudo-tensorial form
puccinia eulaliae
pumpdown
quarter session
Radar height finder.
real cost
recurrent use of imagination
regular integral element
ridgelets
Rockefeller Center
secondary ion microanalyzer
serum acident
Shaffer-Marriott's methods
siliconeisen
space debris
sprayer head
synchronicities
thelothism
tosca
track bar
two-point arbitrage
undashed
ventral side
waele
winery
Yermishinskiy Rayon
zero-one integer programming