音标:['baiәu'sәunɑ:] ;
n. [生理]生物声纳( 某些动物在运动时利用自身产生的声反射的制导系统)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 , 您将会获得10到30积分的奖励! Thank you!

发表于:2018-11-27 / 阅读(304) / 评论(0) 分类 背诵为王第二册

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得10到30积分的奖励! Thank you!

发表于:2018-11-30 / 阅读(347) / 评论(0) 分类 24篇魔术美文串记4级词汇

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(169) / 评论(0) 分类 2008年NPR美国国家公共电台六月

[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(114) / 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(205) / 评论(0) 分类 2009年NPR美国国家公共电台7月

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(116) / 评论(0) 分类 Scientific American(十一)月

蒋健棠听说学英语 Chapter16:The wildlife biologist

发表于:2018-12-26 / 阅读(178) / 评论(0) 分类 蒋健棠听说学英语

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(79) / 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(79) / 评论(0) 分类 侏罗纪搏击俱乐部

新编英语教程第五册unit07_2_mouse_cloning_begins_bio-industri

发表于:2018-12-29 / 阅读(89) / 评论(0) 分类 新编大学英语阅读部分

Natalie: Why are you wearing that gas mask? Anton: Im getting used to it. If we ever have a bioterrorist attack, Ill be ready. Want to try one on? Natalie: No, thanks. If we get involved in biological warfare, I think well have some warning. Anton: T

发表于:2019-01-01 / 阅读(101) / 评论(0) 分类 地道美语播客

85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson (Start at 1'04

发表于:2019-01-02 / 阅读(184) / 评论(0) 分类 科技之光

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(145) / 评论(0) 分类 健康与环境

By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode

发表于:2019-01-02 / 阅读(153) / 评论(0) 分类 VOA2003(下)-农业与经济

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(118) / 评论(0) 分类 健康与环境

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(211) / 评论(0) 分类 60秒科学

AGRICULTURE REPORT - Biocontrols, Part 2 By Mario Ritter Broadcast: Tuesday, April 20, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biocontrols are the way nature seeks ba

发表于:2019-01-30 / 阅读(131) / 评论(0) 分类 农业与发展

俄罗斯莫斯科的一位生物能量学教授近日宣布,他已研制出一种能够有效延缓衰老的不老药,并有望于几年内上架销售。这位科学家用40年的时间研制出一种抗氧化剂,能够有效抑制氧分子对人

发表于:2019-02-06 / 阅读(159) / 评论(0) 分类 阅读空间

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(118) / 评论(0) 分类 新西兰英语

One of the most common questions cancer patients ask their doctors is: has the disease been contained or will it spread. A recent study by U.S. and Chinese researchers may help provide clues. The scientists examined genetic(遗传的,基因的) m

发表于:2019-02-18 / 阅读(83) / 评论(0) 分类 英语新闻
学英语单词
a free hand
All ordinary index
arsenosulvanite
asking for clarification
autosexuals
bacteria amylase
barotropic
be next of kin
blown film
call stack
campass window
chain-react
Chelex resin
connected functional
contingent probability
cookey
cooler tun
corsello
cover area
credit giver
crest of wave
cyclotron damping
damping off
Decca navigator
dinette sets
dulloos
dussan
eagerl
equilibrium solubility
eurostep
excess thermodynamic function
extract of male fern
federal control office
Fenesterin
Findιkpιnar
fixed tank washing system
follower drive
fracture of penis
Galeandra
high-frequency vacuum thermocouple type potential standard
identification letter
information processing rate
inspection robot
kiteboarding
lesbian-feminist
liquid fluidized bed
lithophotogravure
locally mounted
locking motor
maximum relative cluster capacity
meme-complex
mixed spring
Morzhovoi
negev deserts
neocorate
Newstead
night coach
nitrogen-hardening
oculodermal
odontalgic
openwork stocking
osmylation
out of habit
phalangeridaes
phosphopentose pathway
pigmentational
place for substitutions
Post Office Protocol
pre-determined pressure
rational sense
reference literature room
replicability
residueless
rhodium bisulfide
ring chlorinated
saimin
satisfactory profit
scolopsis margaritifera
secondary iris cell
smedes
squarsons
staff-tree families
sterculia apetalas
straight lining
students across europe language network
sulfuric acid industry
Tangaly
the NUJ
the-mabinogion
top pocket
tortillons
tragedie lyrique
transcoders
turning indicator
Tussiplegyl
ultrasensitive amino-acid analyzer
unspanned record organization
USHMAC
vaginal process of testis
vanfuls
waterbirding