连续发射调频声纳

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发表于:2018-11-27 / 阅读(318) / 评论(0) 分类 背诵为王第二册

9) The number of violent acts on televisions in the past years __ has increased __ (increase) from about 19 to 27 per hour. (15A 2004 上 ) 10) Your mind _ will keep ___ (keep) up with your reading sp

发表于:2018-12-01 / 阅读(202) / 评论(0) 分类 自考英语(一)78讲

The Supreme Court says it is going to review a lower court ruling protecting marine mammals from Navy sonar. NPRs Martin Kaste has more. For years, environmental groups have argued that the Navys high-intensity, submarine-tracking sonar can disorien

发表于:2018-12-02 / 阅读(181) / 评论(0) 分类 2008年NPR美国国家公共电台六月

[00:00.00][s],[ ][ ] [00:38.61]sea/sheet/chicken [00:42.66]Exercise One: Word Conparison [00:47.62]Listen to the following words from your tape and repeat. [00:52.98]sip ship sane shane watched washed [01:01.23]lass lash least leashed chin [01:09.09]

发表于:2018-12-03 / 阅读(217) / 评论(0) 分类 掌握英语发音

[01:36.60]【铁 达 尼 号】 [02:18.36](Sonar Pings) [02:21.60]Man: 13 meters. You should see it. 距离13公尺,应该看得见了 [02:33.84](Sonar Pings) [02:38.52]Okay, take her up and over the bow rail. 越过船头的栏杆 [02:39.20](Over

发表于:2018-12-07 / 阅读(124) / 评论(0) 分类 听电影学英语—泰坦尼克号

Marine Biologists and volunteers in Key Largo are working to save the survivors of a group of dolphins that beached themselves last week in the Florida Keys. Invesigators are trying to determine if sonar from a nuclear-powered submarine played a role

发表于:2018-12-17 / 阅读(219) / 评论(0) 分类 2009年NPR美国国家公共电台7月

现在完成进行时(The Present Perfect Continuous Tense)表示由过去某时持续到现在的动作,由have(has)been+现在分词构成: It has been raining for three hours. 一连下了三个钟头的雨。 She has been working the whole mo

发表于:2018-12-18 / 阅读(129) / 评论(0) 分类 英文语法词汇

It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar

发表于:2018-12-24 / 阅读(122) / 评论(0) 分类 Scientific American(十一)月

[00:10.06]Gehrig continued to improve as a player. [00:14.05]By 1924, pitchers for opposing teams were having bad dreams about Lou Gchrig and Babe Ruth. [00:23.04]Ruth hit sixty home runs that year. [00:26.36]Gchrig hit forty seven and won the Americ

发表于:2018-12-26 / 阅读(158) / 评论(0) 分类 美国英语听力80篇

And they have the blemish both front and rear from a facet where the opposite tooth interlocked with it. 在牙齿前后的齿面都有缺陷就是与对面牙齿相交错的地方。 What happens is that the root is anchored well into the lower jaw.

发表于:2018-12-28 / 阅读(85) / 评论(0) 分类 侏罗纪搏击俱乐部

The sperm whale hits him dead in the centre of his body throwing the Megalodon's enormous weight in a tumble motion under the ocean. 抹香鲸结结实实地撞中它的身体中间,把巨齿鲨庞大的身躯撞得在海洋中翻滚。 The Megalod

发表于:2018-12-28 / 阅读(88) / 评论(0) 分类 侏罗纪搏击俱乐部

ENVIRONMENT REPORT - November 22, 2002: Compromise on U.S. Navy Sonar By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. The United States Navy has agreed to temporarily limit testing

发表于:2019-01-02 / 阅读(157) / 评论(0) 分类 健康与环境

ENVIRONMENT REPORT – August 2, 2002: Navy Sonar and Ocean Animals By Caty Weaver This is the VOA Special English Environment Report. American officials have approved a plan for the United States Nav

发表于:2019-01-07 / 阅读(128) / 评论(0) 分类 健康与环境

China has long depended on coal-burning power plants to fuel its explosive growth over the past three decades. As a result, air pollution has risen to alarming levels in central and eastern regions. Policymakers have been working hard to shift the co

发表于:2019-01-19 / 阅读(185) / 评论(0) 分类 2017CRI中国国际广播电台

NASA Scanner Offers Clues To Whale Hearing Researchers at UC San Diego and San Diego State University have imaged whale skulls in an attempt to determine the effects of sonar on whale hearing. Cynthia Graber reports It really is rocket scienceresearc

发表于:2019-01-30 / 阅读(221) / 评论(0) 分类 60秒科学

每年的12月1日是世界艾滋病日,今年中国的宣传主题是合力抗艾,共担责任,共享未来。 请看相关报道: Six out of every 10,000 people in China may be infected with HIV/AIDS, according to official figures revealed

发表于:2019-02-11 / 阅读(107) / 评论(0) 分类 英语口语

Voice 1 Thank you for joining us for todays Spotlight program. Im Liz Waid. Voice 2 And Im Rebekah Schipper. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice

发表于:2019-02-14 / 阅读(271) / 评论(0) 分类 环球英语 Spotlight

Debris from the Rena has reached beaches in the Coromandel. There are bags of milk powder, plastic and rope on the beaches and broken containers. The sea around the Rena is white from broken bags of milk powder. There is also oil for about 3km around

发表于:2019-02-17 / 阅读(123) / 评论(0) 分类 新西兰英语

Have you ever thought why there are very few great people? I think there is probably only one great person out of 10,000 at best, and most probably much less than that. But why? Most people want to be great, right? Why are there only very few of them

发表于:2019-02-18 / 阅读(127) / 评论(0) 分类 英语美文

Key Sentences(重点句子) 146.The connection was bad. 通话情况很糟。 147.There was a lot of echo and I couldn't hear well. 回音太多,我听不清楚。 148.I'll connect you agian. 我再为您接通一次。 149.I've just

发表于:2019-03-11 / 阅读(215) / 评论(0) 分类 实用英语
学英语单词
acoustic coloration
alpenstich
angewandtes
Ankave
antennatus tuberosus
Artemisinine
at each one another's throat
average core exit quality
aviel
bias towards
bluebreast
button down
caratuberoside
catalytic gas oil
cement binder
center portion
cervantes saavedras
chemical powder extinguisher
Chicamba
colossoma macropomum
controlled separation layer
corpuscular counter
counter oscillator
customer communication
dark-field
dirty laundry
disease of wrist joint
dkg
Doppler navigation system
Du Fay.Charles
Duong Tho
edge city
elaterite
Eogene (period) old Tertiary
erh-hu
fine-group structure
fishboning
fmeas
gallipoli (gelibolu)
get somebody down
grottanelli
H.D.O.
hand brake lever pawl spring cup
homopolar polymer
horizontal isomagnetic chart
horse-shoe arch
hydraulic retaining structure
hyoscytamine
industrial trade cycle
irreducible unitary representation
jorg
load module
loop interaction
macrocracking
maintain customer
mudejares
naphtholum
Ngat
nozzle neck
on-lien
optical interference method
organic cycle
palm wax
phasianuss
pheophorphyrin
phytophthora capsici
plane membrane
pluck tea
Polyarnyy Ural, Gory
porch dog
proton wave
rondorfite
Sabouraud's Freneh mannite agar
sarda orientalis
satarupa formosibia
security cultures
Shieldaig, Loch
sodium hypochlorites
software lines of codes
sparsely-populated
stretchmarks
subhumen
tellurium (te)
Tettnang
time-adjusted rate of returns
tournier
transitional monitor
trumpet creeper
turbo prop
two point press
underwater sample
unhandcuff
unstable compound
unvenial
uranium nitrate,uranium oxynitrate
use one's brain
var. processus supracondylicus
violaxanthine
wave equivoluminal
white-bellied swallows
woolstons
zygospores