[网络] 雷射都卜勒转速仪;激光都卜勒转速仪

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(162) / 评论(0) 分类 VOA常速英语2008年(四月)

088 distance and speed Words Near/close far rush hurry crawl pace velocity wide tall long short length deep narrow broad high depth shallow short-cut long-distance rapid slow fast quick height low faraway Phrases Take(time) A drive/walk A distance of

发表于:2018-12-10 / 阅读(167) / 评论(0) 分类 情景英语口语100主题

Idiom: On all fours 爬行,人说话的方式非常卑微 Hit the book: Backpack Astronaut Armrest Overstuffed Fingertip Rotational

发表于:2018-12-27 / 阅读(191) / 评论(0) 分类 趣味青春英语

Leaving Old Bahama Channel, which is fourteen leagues wide by 350 meters deep, the Gulf Stream moves at the rate of eight kilometers per hour. 从巴哈马运河出来时,海湾暖流在14里宽、350米深的范围内以每小时8公里的速度流动

发表于:2018-12-31 / 阅读(142) / 评论(0) 分类 《海底两万里》中英双语有声读物

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(164) / 评论(0) 分类 2017年VOA慢速英语(七)月

超声成像 ultrasonic imaging 实时成像 real-time imaging 灰阶显示 gray scale display 彩阶显示 color scale display 经颅多普勒 transcranial doppler 彩色多普勒血流显像 color doppler flow imaging 彩色血流造影 color flow

发表于:2019-01-08 / 阅读(190) / 评论(0) 分类 医学英语

By Parke Brewer Turin 21 February 2006 The United States domination in men's long track speed skating events at the Turin Winter Olympics has ended, as an Italian has won the 1,500 meters Tuesday even

发表于:2019-01-11 / 阅读(210) / 评论(0) 分类 2006年VOA标准英语(二月)

AS IT IS 2013-08-19 Survival Shelters, Tornadoes and Old Ironsides 生存避难所,龙卷风和老铁壁 Hello, and welcome to the Monday edition of As It Is, our daily show for people learning everyday American English. 大家好,欢迎大家收听周

发表于:2019-01-12 / 阅读(165) / 评论(0) 分类 2013年VOA慢速英语(八)月

AS IT IS 2013-09-11 Rising Temperatures Could Mean More Wildfires 不断上升的气温可能会意味着更多的森林大火 From VOA Learning English, welcome to As It Is! Im Mario Ritter. On our show today, we hear from two weather experts. We he

发表于:2019-01-12 / 阅读(290) / 评论(0) 分类 2013年VOA慢速英语(九)月

AS IT IS 2016-09-01 Volvo Truck Breaks Two World Speed Records 沃尔沃卡车打破两项世界速度纪录 The Swedish-based manufacturer Volvo says one of its trucks has broken two world speed records. The truck reached a top speed of 276 kilomete

发表于:2019-01-12 / 阅读(194) / 评论(0) 分类 2016年VOA慢速英语(九)月

By Parke Brewer Turin 18 February 2006 Shani Davis celebrates after winning men's 1000 meter race American Shani Davis has become the first black athlete to win an individual gold medal in Winter Olym

发表于:2019-01-13 / 阅读(199) / 评论(0) 分类 2006年VOA标准英语(二月)

By Parke Brewer Turin 22 February 2006 Two U.S. Olympic gold medal speed skaters have gotten a lot of publicity by the American media at the Turin Winter Games because of their reported unfriendly riv

发表于:2019-01-13 / 阅读(192) / 评论(0) 分类 2006年VOA标准英语(二月)

Canada's Charles Hamelin, left, and USA's Apolo Anton Ohno, right, compete during the first race of the men's 1000m quarterfinals short track skating competition at the Vancouver 2010 Olympics in Vancouver, British Columbia, 20 Feb 2010 Having won hi

发表于:2019-01-13 / 阅读(132) / 评论(0) 分类 VOA标准英语2010年(二月)

首页 - 手机APP下载 - 网址 - 资料下载 - 查词 - 翻译 - 地盘 - 论坛 - 建议 听力提升 英语听力 听写训练 迷你新闻 经济学人 广播 VOA慢 VOA常 BBC CNN NPR FOX PBS 口语提升 英语口语 情景会话 背句子 口

发表于:2019-01-21 / 阅读(186) / 评论(0) 分类 英语新闻

生活大爆炸第一季第六集_1:The Middle Earth Paradigm -Rajesh: Okay, if no one else will say I will. We really suck at paintball. 好吧,如果没人说那就我来说。我们在彩弹比赛中的表现实在太差了! -Howard: That wa

发表于:2019-01-28 / 阅读(268) / 评论(0) 分类 生活大爆炸第一季

This is the VOA Special English Agriculture Report. Grasslands need time to rest when cattle and other animals feed on them. Moving animals from one area of pasture to another can provide the time needed for new growth. This is called rotational graz

发表于:2019-01-31 / 阅读(163) / 评论(0) 分类 2010年慢速英语(一)月

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(192) / 评论(0) 分类 VOA常速英语2007年(十一月)

BRUSSELS, Feb. 10 (Xinhua) -- NATO defense Ministers on Wednesday agreed to enhance military presence in eastern Europe at a ministerial meeting, NATO Secretary General Jens Stoltenberg said at a press conference following the first day's meeting. St

发表于:2019-02-13 / 阅读(150) / 评论(0) 分类 英语新闻

奥巴马:美国不试图遏制中国 MANILA, April 28 (Xinhua) -- U.S. President Barack Obama said here on Monday that Washington was not trying to contain China when it signed a new military pact with the Philippines. The United States and the Phil

发表于:2019-02-17 / 阅读(149) / 评论(0) 分类 英语新闻

Doppler on Wheels Rolls Into Tornados Doppler radar reads the weather based on reflections from items moving through the air. Joshua Wurman was the first to put the technology on wheels and drive it directly into the path of a tornado. I invented Dop

发表于:2019-02-17 / 阅读(213) / 评论(0) 分类 VOA常速英语2013年(八月)
学英语单词
a crime against humanity
active attitude control system
advance speed
aggry
angle of list
anna mary robertson mosess
annulus cruralis
as cast structure
axial air-gap reluctance motor
be quick to do
bicyclopentadiene dioxide polyol ether resin
bismuth subchloride
bitter-brackish water desalination
breast anchor
CCD image sequential switcher
closed loop policy
communalising
conderis shirozui
congenital
current-controlled oscillator
customer engineer diskette
descending sequence
dial-up services
Edtac
EIL (error in label)
eisteddfodau
emerize
Emperor of Rome
family Entomophthoraceae
flexibilization
grab ahold of
graphinos
hard-surface mask
high strength alloy steel shackle
hydraulic cushion guardrail
hydrodiascope
inner register
institutionary
lachin
ladyfish
lecture-room
made money
make an invasion upon
manzy
marsformoxid
meat infusion bouillon
meat loaf
meat mixer
megacanthopore
Meliosma subverticillaris
methanobactins
Mitchell's hopping mouse
molar heat of vaporization
N-trifluoroacetyl
Nyakakiri
organic bipolarity
painter's brush
penny wheep
Petit truss
physiologic dwarf
Pippu
prelateral plate
pressure sensitivity of microphone
propre vice
pteleorrhine
reflection-on-action
refractory patching cement
repairman
retiarius
ritzi
rocks you
Roger I
Salsola passerina
secondary compartment line
seed stem
self retaining catheter
self-maintained push-button
serial by bit
Sirrah, Nafūd as
socialist leglity
somagrebove
stannous fluoboric acid
Stephens, Alexander Hamilton
stillinger
subcapsular sinuses
suspend production
tabless
terpstra
thin layer electrophoresis
tidal double ebb
Tiffeneau conversion
treeshrews
trelfords
underwounds
unit equipment record
United States of America Standards Institute
valedictory speaker
valerienic acid
variable length word symbolic assembly system
voerflow alarm
worthlesser
zdj