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(364) / 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(311) / 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(286) / 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(424) / 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(324) / 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(276) / 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(266) / 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(373) / 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(312) / 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(280) / 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(312) / 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(391) / 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(333) / 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(310) / 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(459) / 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(293) / 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(339) / 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(315) / 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(304) / 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(600) / 评论(0) 分类 1200个常用英语口语单词(MP3+文本)
学英语单词
Actinodictyon
active accounts
Aeschynanthus tengchungensis
alcohol resin
allowable sample size
angle of diffraction
anti-caking agent
Arlbergpass
asymptote of convergence
bar shear
beyond one's means
Biebermania
biosparging process
Bootids
Botucatu
bryaninops loki
cabbaged
cadmium-silver oxide cell
carrot drill
co-varies
coachwood
consigned to buyer
Darbyites
dithicearbamic acid
dna-sequencing
double dection reception
drepanum
duck-egg blues
dwarf bunt of wheat
exchange dealing
exploitation of invention
external furrow
farewelled
faridabads
fixed tariff duties
flood recession
floppy disk
FORCE SB TO DO STH
haloid fluoride
haphonosus
height mark
highhat
HMFICs
hypothalamic
Ito's formula
larona
lateral closing fold
levels-till plough
m-out-of-n code checker
mabasa
main-mizen
malletier
marginalised
maskered
McNaghten Rules
mesencephalohypophysial
minister of police
moire calender
negative-resistance magnetron
nervus facialiss
Nervus splanchnicus imus
never you mind
oil-spill
open type thrust bearing
os pubiss
paradisiacally
parallel-flow drier
paste matrix
phoro-aptometre
postsuicide
prong hoe
protection from rust
read-through protein
recipiangles
regionless
registration of transfer in ownership
retinoscope
rits
rive
rotary mower
second electron lens
secondary steam-to-steam heat exchanger
shouaa
sisterlike
SmartArt
Songcheon
sterling eligible bank bill
Stǎuceni
submarine ground water discharge
symptom grouping
tertiary colo(u)r
thanatologist
three-channel colorimeter
Tolsiran
touter
trip shaft
twist fringing device
unit force
vacuum bags
whiskey dick
wrought tool steel
ziba