直升机空气动力学[特性]

But people won't decide to do it until they recognize the need for it, and that's the problem that we have right now. 但是直到人民意识到真正的需要,才会决定去做,这就是现在的问题所在。 So there's been plenty of people

发表于:2018-12-13 / 阅读(115) / 评论(0) 分类 TED演讲教育篇

Japan's government has asked the United States for a thorough probe into the crash of a US military helicopter on Okinawa. The HH-60 rescue helicopter was on an unspecified training mission when it crashed at Camp Hansen. Three of the helicopter's fo

发表于:2018-12-19 / 阅读(160) / 评论(0) 分类 世界各地新闻集锦

[00:02.22]According to the law in Britain, [00:03.80]it is legal to take photographs [00:05.84]of famous people if they are in public. [00:08.64]But sometimes, the paparazzi go too far [00:11.27]in their attempt to get the best photographs. [00:14.12

发表于:2018-12-29 / 阅读(172) / 评论(0) 分类 北师大版高中英语模块4

EXPLORATIONS - Igor Sikorsky: Aircraft and Helicopter Designer By Marilyn Christiano Broadcast: Wednesday, July 06, 2005 (MUSIC) ANNOUNCER: Igor Sikorsky on the cover of Time magazine. Now, the VOA Sp

发表于:2019-01-07 / 阅读(161) / 评论(0) 分类 Explorations

今天我们要学的词是helicopter parent。 Helicopter parent, 直升机父母?没错。Helicopter parents, like a helicopter, they hover closely overhead, rarely out of reach whether their children need them or not, 这些直升机父母,真的

发表于:2019-01-08 / 阅读(105) / 评论(0) 分类 英语单词荟萃

By Sabina Castelfranco Rome 08 November 2007 A U.S. army helicopter has crashed in northern Italy, killing four people on board and injuring seven others. The causes of the crash are still unclear. For VOA, Sabina Castelfranco reports from Rome. In t

发表于:2019-01-08 / 阅读(121) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Margaret Besheer Baghdad 05 April 2007 The U.S. military says one of its helicopters went down south of Baghdad, injuring four of the nine persons aboard. From Iraq's capital, VOA's Margaret Besheer has more. Iraq The U.S. military would not give

发表于:2019-01-08 / 阅读(175) / 评论(0) 分类 2007年VOA标准英语(四月)

[00:00.00]Sharon ouch examine salad [00:04.40]莎伦(女名) int.哎哟 vt.检查;诊察 n.色拉(西餐中的一菜) [00:08.80]peach ripe advise in the future [00:13.64]n.桃子 adj.成熟的,熟的 vt.忠告;劝告;建议 以后;将来 [00:18.47]

发表于:2019-01-10 / 阅读(288) / 评论(0) 分类 高中英语词汇

Students Aim for Aviation History with Human-Powered Helicopter Within reach What seemed impossible when William Staruk began his PhD studies at the University of Maryland three years ago, is now within reach. He's part of a 50-member team developing

发表于:2019-01-14 / 阅读(148) / 评论(0) 分类 VOA标准英语2013年(五月)

Helicopter Crashes On Roof 直升飞机坠落屋顶 Police are investigating the cause of the crash 警方正在调查坠机事件的原因 A family and three aircrew escaped unhurt after a police helicopter spun out of the sky and crashed through th

发表于:2019-01-30 / 阅读(119) / 评论(0) 分类 双语有声阅读

What do a hummingbird, a moth, and a maple tree have in common? They all use a similar trick to fly. Okay, okay, a maple tree doesnt fly. But its seeds kind of do. Maples make those little whirlybird seeds you see spiraling down in droves each sprin

发表于:2019-01-30 / 阅读(268) / 评论(0) 分类 60秒科学

The US Pacific Command has said an American Marine Corps helicopter offering quake relief in Nepal was declared missing with eight people on board. Six US Marines and two Nepalese soldiers were on board. The helicopter was last seen after another hel

发表于:2019-02-05 / 阅读(134) / 评论(0) 分类 cctv9英语新闻2015年

今天我们要学的词是helicopter parent。 Helicopter parent, 直升机父母?没错。Helicopter parents, like a helicopter, they hover closely overhead, rarely out of reach whether their children need them or not, 这些直升机父母,真的

发表于:2019-02-06 / 阅读(153) / 评论(0) 分类 英语每日一词

LONDON, Jan. 16 (Xinhua) -- Two people were killed and another two were injured after a helicopter crashed into a construction crane near Wandsworth Road, south of River Thames in central London earlier on Wednesday. Two people confirmed dead at scen

发表于:2019-02-08 / 阅读(170) / 评论(0) 分类 英语新闻

KUNMING, July 22 (Xinhua) -- One person was missing and two others injured after a helicopter crashed into a reservoir in the city of Chuxiong in southwest China's Yunnan Province, local authorities said Sunday. The accident happened at around 5:45 p

发表于:2019-02-09 / 阅读(136) / 评论(0) 分类 英语新闻

Lesson 356 I'm improving. 1.I'm improving.我好多了。 2.My work is improving.我的工作渐有起色。 3.My health is improving.我的健康善正在好转。 4.I'll improve it.我会加以改进。 5.I want to improve my English.我想提高英语

发表于:2019-02-12 / 阅读(170) / 评论(0) 分类 辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句

A first aid helicopter embarked on a trial flight in Beijing yesterday. The aircraft will mainly be used for short-distance first-aid cases, and will be utilized during search and rescue missions. It will provide assistance for those who are lost in

发表于:2019-02-14 / 阅读(151) / 评论(0) 分类 世界各地新闻集锦

You know, most people in life major in minor things. That is, theyre focused on how to make a living instead of how to design their life. They get caught up in the day-to-day experiences that they make real important when actually, in the long term,

发表于:2019-02-14 / 阅读(136) / 评论(0) 分类 瞬间秒杀听力

BEIJING, July 26 (Xinhua) -- A Chinese Defense Ministry spokesman Thursday refuted reports that China's military attack helicopter Z-10 pirated U.S. technologies, saying the helicopter's manufacturer had used independent intellectual property rights.

发表于:2019-02-17 / 阅读(111) / 评论(0) 分类 实用英语

By Kari Barber Dakar 02 November 2007 A United Nations helicopter carrying three crewmembers crashed in northern Liberia on Friday. A U.N. spokesman says two of the three crewmembers are dead and the condition of the third is unknown. The names and n

发表于:2019-02-17 / 阅读(209) / 评论(0) 分类 VOA常速英语2007年(十一月)
学英语单词
aesthetic style
airtc
Alexander Pushkin
all over the shop
Alphabetic sort
altisonant
amateur station
barmby
bathyorographical
bicomplex
bituminous flax cord
bovine viral diarrheamucosal disease
braball
brake drum
Camassia quamash
canape
cisborder
Civitella, Mte.
clerklike
coordinate survey
crime of disturbing the economic order
degree of longitude
derrick arrangement
direct sampling
Drogelon
dry powder inhaler
enriched chamber
epilaksholic acid
erastianisms
experimental organic chemistry
female joint
game show
gas counter
Gizdavac
Gjellerup, Karl Adolph
global communication
handbagless
high-density bipolar coding
hollow discharge
horse chestnuts
HSCB (high speed circuit breaker)
hypodermoclysis
inbuilding
infrared absorption coefficient
inner twist
intermediate yield
international negotiation
intersection punching
isopropanol urea dewaxing process
italian clovers
knock-down path
l-dodecanol
leakhunting
leisurists
lineal transaction
listen before talk (lbt)
littermate
manual read
maxmun field capacity
moulding material
neurovarinola
Norrent-Fontes
oldlace
oppilated
over-estimated
pachychoroidopathy
phase-locked frequency discriminator
piratings
pork luncheon meat
post macro
power of cardinal number
premenstrual
PRO-HG Duo
prompt nuclear(reaction)analysis
propeller shaft pinion flange
Putler
quasilinear operator
radiocinematographic
rail specification
railroad worms
reliever relay
remote operation cylinder
ringworks
secondary contact
selective absorbent
Shugnans
shunt safety component
solar absorption refrigerating machine
somehow or other
spersed
steam-jet compression
studewood
suction lift of pump
superheated area
tiago
tourism-based
trabectedin
utriculus masculinus
Vaben
variationally
wheat yellow earrot
wight, isle of