临界马赫数

NASA Successfully Tests Hypersonic 1 Jet Three years after its first test flight ended in an explosion, NASA on March 27 successfully launched an experimental jet that the agency believes reached a re

发表于:2018-12-05 / 阅读(108) / 评论(0) 分类 英语沙龙2004全年合辑下

Jessie raced through the milling crowd to Al Conrads booth. A woman with blond hair was talking seriously to Al. A flat, newspaper-wrapped bundle was tucked under one arm. The woman had on stretch pants and heavy boots, just like the boots that one o

发表于:2018-12-06 / 阅读(102) / 评论(0) 分类 93 The Comic Book Mystery

Confidence,confident F: There are a number of important areas to consider for a branch office. M:we measure stability in government and economy. F: another critical area is business investment. M: You mean how much investment is going on in an area?

发表于:2018-12-16 / 阅读(138) / 评论(0) 分类 VOA 商务英语

That's an unnatural act for a rocket. 这对于火箭来说,不是一种自然的行为。 The third stage has a camera. 第三次发射,火箭上有一个摄像机。 We call it rocketcam. 我们称之为火箭摄像机。 And it's pointed at th

发表于:2018-12-18 / 阅读(86) / 评论(0) 分类 TED演讲科技篇

40 years later, aero experts coined the term transonic. 40年后空气动力学专家创造了跨音速这个术语。 They debated, should it have one S or two? 他们争论这个术语应该用一个S,还是两个S? You see, they were having trou

发表于:2018-12-18 / 阅读(101) / 评论(0) 分类 TED演讲科技篇

Mother Machree There's a spot in my heart which no colleen may own; There's a depth in my soul never sounded or known; There's a place in my memory my life that you fill; No other can take it no one e

发表于:2018-12-30 / 阅读(145) / 评论(0) 分类 英语沙龙2004全年合辑上

Mother Machree 慈母颂 Theres a spot in my heart which no colleen may own; Theres a depth in my soul never sounded or known; 在我心中有那么一隅, 任何少女也不能占据。 它埋在我灵魂的深处, 我从不声张从不表露。

发表于:2019-01-02 / 阅读(164) / 评论(0) 分类 晨读英语美文60篇

By Anjana Pasricha New Delhi 18 November 2007 India's super-rich now make up one of the wealthiest groups in Asia. Anjana Pasricha reports from New Delhi on how a growing economy and booming stock markets continue to produce great wealth - for a very

发表于:2019-01-07 / 阅读(105) / 评论(0) 分类 VOA常速英语2007年(十一月)

Four Young People Who Make the World Better 四个年轻人致力于让世界更美好 What can technology do to make your world better? Four young people are starting new businesses to answer that question. Mateusz Mach Eighteen-year-old Mateusz Mac

发表于:2019-01-12 / 阅读(131) / 评论(0) 分类 2016年VOA慢速英语(三)月

Young Technology Expert Works to Stop Car Thefts Kenya is East Africas largest economy. Its capital Nairobi is growing quickly. But so is the citys crime rate -- the Nairobi Metropolitan Crime Observatory says thieves steal an average of 10 cars each

发表于:2019-01-12 / 阅读(121) / 评论(0) 分类 2014年VOA慢速英语(十一)月

Basic Steps Help Protect Personal Information From Hacking U.S. government officials say the surveillance covered only metadata - the patterns of the phone calls and internet messages - not the substance of the communications. According to reports, a

发表于:2019-01-14 / 阅读(102) / 评论(0) 分类 VOA标准英语2013年(六月)

MICHEL MARTIN, HOST: It's no secret that corruption is widespread in Kenya. But recently, the conversation about it got real when a bus driver confronted the police and the president with a story of bribery on national television. NPR's Eyder Peralta

发表于:2019-01-16 / 阅读(113) / 评论(0) 分类 2017年NPR美国国家公共电台2月

STEVE INSKEEP, HOST: The United States Supreme Court is busy this week with a ninth justice, Neil Gorsuch, on the bench. Today, the court hears arguments in a Missouri case with the potential to open state coffers for aid to parochial schools. Like M

发表于:2019-01-17 / 阅读(141) / 评论(0) 分类 2017年NPR美国国家公共电台4月

【讲解】: 精选句型: Id like to order..., please. My address is...注意:地址从小到大来说 My phone number is... 注意:8位数的电话4-4来讲 Would you like any sides with that? 要什么配菜吗? Will that be all? 就要这

发表于:2019-01-17 / 阅读(79) / 评论(0) 分类 英语俚语天天说

2010年3月8日是三八妇女节,给自己的母亲或者女性朋友送上一首英语诗歌-《慈母颂》作为祝福,给她们一个意外的惊喜和慰问吧。为大家收集了几首 英语诗歌祝福语,祝福全天下的女性朋友们

发表于:2019-01-20 / 阅读(111) / 评论(0) 分类 实用英语

Expedite climb to FL190. 21.加速上升到高度190。 Climb to FL280 expedite until passing FL180. 22.上升到高度280,快速通过高度180。 Unable to expedite climb due weight. 23.由于重量原因不能加速上升。 Descending immediate

发表于:2019-01-31 / 阅读(189) / 评论(0) 分类 飞行员英语900句

Before we take this giant leap, we need to be able to carry everything needed for a three-year -round trip with us. This is a much larger effort than getting to the moon. Its the Apollo mission on steroids. At this point we know at least as much as t

发表于:2019-02-03 / 阅读(118) / 评论(0) 分类 自然百科2012年

歌曲 : Super trouper 艺人 : A Teens 音乐星级 : ★★★★★ 所属专辑 : Greatest hits 发行年代 : 2004 风格 : Pop Dance 介绍: 来自瑞典的A-Teens(阿巴少年组),自98年成立以来,不到两年便一飞冲天获得多项国际性奖项、专辑全球热卖的畅销成绩和与超级男孩

发表于:2019-02-05 / 阅读(174) / 评论(0) 分类 舞曲狂欢

GWEN IFILL: After serving in Iraq and Afghanistan, many veterans face an uphill battle finding work in civilian life. There's been an increase in efforts to help ease their transition, but one segment of the veteran population is often overlooked. Sp

发表于:2019-02-17 / 阅读(236) / 评论(0) 分类 PBS访谈社会系列

At least the names for the two main possible culprits are entertaining: they are said to be either WIMPs (for Weakly Interacting Massive Particles, which is to say specks of invisible matter left over from the Big Bang) or MACHOs (for MAssive Compact

发表于:2019-02-25 / 阅读(129) / 评论(0) 分类 万物简史
学英语单词
a-gardner
Aureolaria virginica
automated stock control
axial ring
axle drive bevel gear
bad tempers
ball end mill
balloon payment
basic spring volume
bordered pit vessel
bratslav
break one's balls
bronze green
cargo sheet
corticotropes
courtlike
cross-linked reaction
daochi powder
debt tables
dentalising
descriptive power
digiti minimus pedis
edifice
effervescenced steel
Eurycarpus
favoredness
ferroelectric Curie point
fire retardant coating
Foxton
fragte
frame carpet
Galatz
grounde
guanidoacetic acid
Guishan Township
head load system
higher and higher
horselaugh
hortonolite-dunite
HVSS
ignition charge
in-line gun
induction fluid amplifier
inhuman weapons
integrated lift and propulsion system
jebel musas
koepp
lahar deposit
landman
leno cloth
Linnaean system
Lord Cardigan
Mahavavy
meadough
moreton bay tulipwoods
musikhochschules
mutual cross
Nauru Island
neuropathist
odortaxis
oil flushing plunger
one-dimensional high-speed flow
outer ring with cage and roller assembly
oval wheel flowmeter
oxbow
oxonic acid
paucal
pig-in-a-poke
pleu-
Porana henryi
prespot
Principality of Andorra
prosiphon
pulmonary lobule
purpura factitia
residual oxygen
retained foreign currency account
rotor turn
Saint Athanasius
santa filomena (santa philomena)
schismatized
sea approach
Severnyy Kamen', Vozvyshennost'
slint
sporofusariogenin
sugar-bushes
surface evaporative condenser
taniwhas
target material leakage
theoretical biology
thomas peacock
three-petaled
Tovarkovskiy
treasury call
trihydric
tympanometer
tythimal
ultramicronized
unit operations of chemical engineering
unty
verification
visir