声纳测深仪

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(237) / 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(177) / 评论(0) 分类 听电影学英语—泰坦尼克号

TheWitchfinderMerlin在干农活的时候对烟雾使用了魔法,仅仅因为无聊,但要命的是被人发现了,于是Uthur就找来了WitchfinderAredian。自然又是腥风血雨。Gaius为了保护Merlin和Morgana承认了莫须有的罪名

发表于:2018-12-09 / 阅读(169) / 评论(0) 分类 梅林传奇第二季

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(291) / 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(181) / 评论(0) 分类 Scientific American(十一)月

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(142) / 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(136) / 评论(0) 分类 侏罗纪搏击俱乐部

At last Jessie said, Lets do the dishes and go for a swim. Violet stood up on the sand and took her tray. She said, You know, I cant seem to forget Mr. Lee. He seems so interesting. And he comes past here every day with his dog, he says. Well see a l

发表于:2018-12-31 / 阅读(236) / 评论(0) 分类 16 Mystery in the Sand

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(199) / 评论(0) 分类 健康与环境

GSM手机定位系统平台 Mobile Location Finder Systerm GSM手机定位网关 Location Gateway GSM手机定位触发器 Location trigger GSM手机定位应用 Location application GSM手机定位找朋

发表于:2019-01-03 / 阅读(153) / 评论(0) 分类 电信英语

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(173) / 评论(0) 分类 健康与环境

Lost. I was careless and lost my schoolbag in the reading room of our library yesterday. There are two English books and an English dictionary and a book of maths in it. Would the finder pls send it either to the assistant library or to myself. Many

发表于:2019-01-10 / 阅读(279) / 评论(0) 分类 高考英语作文高分必备

AS IT IS 2014-04-19 High Tech Aids Search and Rescue高科技搜救工具 From VOA Learning English, this is As It Is Saturday. Im Anna Matteo. Improvements in technology can save lives. Stronger buildings do not fall during storms and earthquakes. W

发表于:2019-01-12 / 阅读(196) / 评论(0) 分类 2014年VOA慢速英语(四)月

SharkFinder Brings Science Excitement to Classrooms 把科学带进教室 Science is advanced by professional researchers and scientists. Yet, many believe that average citizens - including school children - can make contributions to scientific advan

发表于:2019-01-14 / 阅读(170) / 评论(0) 分类 VOA标准英语2014年(八月)

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(311) / 评论(0) 分类 60秒科学

趣侃刺儿头! 嗨,先猜个歇后语来解解烦!蜜蜂的屁股--? 哦 有点不雅噢!蜜蜂的屁股--刺儿头! 英语中,刺儿头可表达为nit-picker。当然,若用fault-finder来形容喜欢鸡蛋里挑骨头的刺儿头也不

发表于:2019-02-04 / 阅读(180) / 评论(0) 分类 实用英语

今天我们要学的词是in-depth。 In-depth, 是深入的意思。美国民主党总统参选人奥巴马星期二就种族问题发表讲话。He invited Americans to examine in-depth the most difficult and divisive issue in American history, 他号

发表于:2019-02-06 / 阅读(177) / 评论(0) 分类 英语每日一词

今天我们要学的词是in-depth。 In-depth, 是深入的意思。美国民主党总统参选人奥巴马星期二就种族问题发表讲话。He invited Americans to examine in-depth the most difficult and divisive issue in American history, 他号

发表于:2019-02-06 / 阅读(204) / 评论(0) 分类 英语单词荟萃

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(179) / 评论(0) 分类 新西兰英语

buyer ['baiə] n.买主 depth [dep] n.深度,深处 find [faind] v.找到,发现 hold [həuld] v.握住,持有 lifetime ['laiftaim] n.一生 northwest ['nɔ:'west] n.a.ad.(在,向,自)西北(的) quick [kwik] a.快的,迅速的 should [ʃ

发表于:2019-03-17 / 阅读(471) / 评论(0) 分类 1200个常用英语口语单词(MP3+文本)
学英语单词
account credit
acid chlorine bleaching
airriess
alidade protractor
ammonium calcium phosphate
amplitud reflection coefficient
anacrotic pulse
angiocavernoma
assigners
assora
Benedict, Ruth Fulton
blusterously
breuning
canonicity
carcinostatic agent
Celastrus tonkinensis
chuuk is. (truk is.)
Crepicepalina
critical excitation potential
crystal kit
cyberpatrol
Cygnus Loop
degradingly
devastings
drain to the dregs
duplex function plotter
ebgs
ECOSOC commission
empholite
epitheliogenic
erosion-littoral fauna
evick
feeding guide
fibrin autography
filter pulp
fire-walkers
free flooded transducer
gainsville
George and Weedon Grossmith
golfballs
Good gracious !
Googled it
gross margins
Hamminkeln
Hansen I.
hardware token
Heller's tests
ichnograph
insert query
insulated flexible ladder
interval estimator
interwish
Io moth, io moth
jockey wheel
junior welterweights
Lancaster cloth
loadest
lyencephalous
Lyndon Baines Johnson
manufacturing milling machine
maximal subgroup
member support
mirror drum scanner
model stability
monoplanar
multicombustion chamber
natural adaptation
Nebraska beds
Neoathyrium
north-polar
obstetric accommodation
Olympio, Sylvanus
persour
ponsa
porteress
position buoy
qiangs
rainfall interception
record density
remnant stream
retirement of jury
Salu, Selat
secondary relationship
Seitz filter
Sestri Levante
set across
sport esthetics
spriters
stroke indicator
suction process
superbrat
take to the wine
tipentosin
total time of treatment
traffic separation zone
ultracentrifuge cell
unconstrained
user benefit analysis
usinger
validation record
vital gate
vivanco