【航空学】声障,音障,声垒[亦作transonic barrier]

英语畅谈世界文化lesson7:Great Barrier Reef大堡礁

发表于:2018-12-07 / 阅读(177) / 评论(0) 分类 英语畅谈世界文化

From VOA Learning English, this is the Health Lifestyle report. Our brains are protected by our skull. But that is not the only protection it has. A natural barrier around our brains prevents germs and other damaging substances in the blood from ente

发表于:2018-12-08 / 阅读(147) / 评论(0) 分类 2018年VOA慢速英语(八)月

Chapter 24 Language Barrier between Chinese and Foreigners第 24章 中外语言障碍David:Do you know any foreign experts here in China? 你认识在中国工作的外国专家吗? You:No, language is a real barrier between Chinese and foreig

发表于:2018-12-25 / 阅读(137) / 评论(0) 分类 留学生在中国

barrier, ['briə] n (用来禁止通行的各种)障碍物(如:栅栏和关卡)=obstacle 【例】The police put a barrier 警察设了路障。barrier of speech 语言的隔阂

发表于:2018-12-30 / 阅读(140) / 评论(0) 分类 不择手段背单词

Israeli High Court to Consider Legality of Security Barrier Ross Dunn Israel's high court has agreed to consider the legality of a controversial West Bank security barrier , just weeks before the proj

发表于:2019-01-07 / 阅读(179) / 评论(0) 分类 VOA2004(上)--各类新闻

ROBERT SIEGEL, HOST: We're going to meet one of Mexico's most popular standuperos (ph), stand-up comedians. Sofia Nino de Rivera is among those in the country giving comedy a new voice. Comedians in Mexico have long been controlled by the leading tel

发表于:2019-01-16 / 阅读(111) / 评论(0) 分类 2017年NPR美国国家公共电台7月

A MARTINEZ, HOST: There are few places on Earth where the impact of climate change is more noticeable than along the Great Barrier Reef. It's the planet's largest living organism that now has become the world's largest dying organism. In the past 18

发表于:2019-01-16 / 阅读(160) / 评论(0) 分类 2017年NPR美国国家公共电台7月

But the wonky holes will never be completely covered up, because coral cant grow in freshwater. Theyll remain an indelible reminder of the reef's past lives. But the origins of the reef lie even further back in time. And to understand them means crac

发表于:2019-01-22 / 阅读(127) / 评论(0) 分类 自然百科2011年

Today, the elements that support the reef are in fine balance--sun, wind and waves. But it doesn't take much to tip the balance, plummeting this huge reef into disaster. It might happen sonner than you think. Eighteen million years ago, a series of r

发表于:2019-01-22 / 阅读(124) / 评论(0) 分类 自然百科2011年

It's an astounding mechanism, but it looks like it's being overwhelmed. Recently, the coral has been telling us that its had enough. Because when it overheats, it self-destructs, expelling the algae that live with them. They turn deathly pale, a proc

发表于:2019-01-22 / 阅读(131) / 评论(0) 分类 自然百科2011年

Where the forces of nature meet? In a hidden world, a tropical miracle. At this moment, evolution is building a living colossus, a giant built by nature's tiniest creature, a model of reincarnation, a survivor born from disasterthe Great Barrier Reef

发表于:2019-01-22 / 阅读(100) / 评论(0) 分类 自然百科2011年

今天我们要学的词是barrier。 Barrier是障碍的意思。Language barrier, 是语言障碍。Trade barrier, 是贸易壁垒。The lack of funding was the biggest barrier to the road improvement, 意思是道路改善的最大障碍是缺少资

发表于:2019-01-25 / 阅读(183) / 评论(0) 分类 英语每日一词

By Jim Teeple Jerusalem 14 June 2007 The human rights group Amnesty International has called for the dismantling of the Israeli security barrier in the West Bank. The London-based group says the barrier has had a disastrous impact on the lives of Pal

发表于:2019-01-30 / 阅读(178) / 评论(0) 分类 2007年VOA标准英语(六月)

今天我们要学的词是barrier。 Barrier是障碍的意思。Language barrier, 是语言障碍。Trade barrier, 是贸易壁垒。The lack of funding was the biggest barrier to the road improvement, 意思是道路改善的最大障碍是缺少资

发表于:2019-01-30 / 阅读(134) / 评论(0) 分类 英语单词荟萃

By Paul Sisco Washington 12 October 2007 American test pilot Chuck Yeager flew a plane through the sound barrier on October 14th, 1947. VOA's Paul Sisco takes a look back at the famous feat and the man who first flew at Mach 1. Some say only the Wrig

发表于:2019-02-03 / 阅读(131) / 评论(0) 分类 2007年VOA常速英语(十月)

October 14th, 1947Its 662 mile per hour. The really big moment through the sound barrier. The first time ever in other. Air Force captain Chuck Yeager becomes the first person to fly faster than sound. Yeager breaks the sound barrier as he tests the

发表于:2019-02-14 / 阅读(153) / 评论(0) 分类 历史上的今天-2010年

October 14th, 1947Air Force Captain Chuck Yeager becomes the first person to fly faster than sound. Yeager breaks the sound barrier as he tests the rocket-powered research plane over California. 1066In Britain, invading Norman forces under William th

发表于:2019-02-14 / 阅读(110) / 评论(0) 分类 历史上的今天-2013年

October 14th, 1947Air Force Captain Chuck Yeager becomes the first person to fly faster than sound. Yeager breaks the sound barrier as he tests the rocket-powered research plane over California. 1066In Britain, invading Norman forces under William th

发表于:2019-02-14 / 阅读(110) / 评论(0) 分类 历史上的今天-2014年

The barrier separating Israel from West Bank Palestinian territories is the theme of a Washington exhibit by a dozen U.S. and Canadian-based artists. Each gives a different representation of what the artist views as an obstacle to peace. The curator

发表于:2019-02-18 / 阅读(146) / 评论(0) 分类 英语新闻

CHARLES (CHUCK) YEAGER ALSO LOVED FLYING. DURING WORLD WAR II HE WAS A DARING PILOT WHO SHOT DOWN ENEMY PLANES. AFTER THE END OF THE WAR IN 1945, HE WORKED TESTING EXPERIMENTAL PLANES. SCIENTISTS AND ENGINEERS WANTED TO DESIGN A PLANE THAT COULD GO F

发表于:2019-02-21 / 阅读(125) / 评论(0) 分类 名人认知系列 Who Was
学英语单词
a floater
aeroallergy
affreuxes
after boiler room
AG linac
albumin cell
aluminium castings
amores
amplitudes
aquake
at a clap
axiopistical
backcoupled generator
basin faucet
Belaya, Gora
benorterone
biovolume
Black race
blanquettes
but and ben with
caudal alae
charges for
chlorphenethazine
close fertilization
coilor
compound symbol
cooling surface
corpn.
correction of planet's parallax in altitude
danish blues
Desmopathology
diachronies
dinshaw
double hyphen
entebbes
exceptional space
expenditure in constant dollar
falling-star
federationism
field
fish day
flexible-shaft turbine
Floraville
followed
fragmentary system
gray wave
homolobus (chartolobus) undulatus
housholds
immersion technique
in a greater degree
Inhal-Aid
integrated fish farming
iodotubercidin
jelens
jingle shells
joining ship sections afloat
jordanian dinars
laughed my ass off
liquidlike cluster
living, the
mafic minersl
maidy
meissner's corpuscless
metering pump with stroke adjustment
multisubband
neikrugs
normal braking
nourishing blood and dissolving stasis
nursery finance
nuvistor
one-a-day
parent station
perilled
personal robot
petroleum gas separation
phase bank
physiologic time
prevalence testing
production well proration
receptive-fields
Ruwābah
Securities markets
sedimentary lag
simple articulator
Sizergh Castle
spectrobolometry
spin finish aid
statute of wills
successive cycle
surrive
tail cable
The noose is hanging.
three ply wood
tied down
Tonbetsu-gawa
traveling fellow
Triraphis
tuberculum musculi scalenianterioris
vagarian
vector address
wild grass land
wire tip