直升机载长程主动声纳

[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(170) / 评论(0) 分类 听电影学英语—泰坦尼克号

The most unusual national parks in the United States MARIO RITTER: Welcome to the VOA Special English program EXPLORATIONS. I'm Mario Ritter. Today, Steve Ember and Sarah Long tell us about two of the most unusual national parks in the United States.

发表于:2018-12-16 / 阅读(116) / 评论(0) 分类 2013年VOA慢速英语(三)月

EXPLORATIONS - A Visit to Volcanoes National Park and Haleakala National Park MARIO RITTER: Welcome to the VOA Special English program EXPLORATIONS. Im Mario Ritter. Today, Steve Ember and Sarah Long tell us about two of the most unusual national par

发表于:2018-12-16 / 阅读(160) / 评论(0) 分类 2012年VOA慢速英语(一)月

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(288) / 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(180) / 评论(0) 分类 Scientific American(十一)月

LSD is one of the most potent hallucinogenic drugsactive at just around 100 microgramsa miniscule amount. That fact has fascinated pharmacologists for decades. Namely, how can it have such long-lasting effects12 hours or moreat such tiny doses? To fi

发表于:2018-12-24 / 阅读(145) / 评论(0) 分类 2017年Scientific American(一)月

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(197) / 评论(0) 分类 健康与环境

EXPLORATIONS - November 13, 2002: Volcanoes and Haleakala National Parks in Hawaii By Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English progr

发表于:2019-01-02 / 阅读(206) / 评论(0) 分类 Explorations

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(170) / 评论(0) 分类 健康与环境

If the human genome were put in a straight line, it would be over six and a half feet long. So how do you store all that DNA in a tiny nucleus? And have the cell manage it? Researchers explain how in a study featured on the cover of the October 9th i

发表于:2019-01-08 / 阅读(167) / 评论(0) 分类 Scientific American(十)月

VOICE ONE: This is Steve Ember. VOICE TWO: And this is Sarah Long with the VOA Special English program EXPLORATIONS. Today, we visit two of the most unusual national parks in the United States. They are Volcanoes National Park and Haleakala National

发表于:2019-01-11 / 阅读(146) / 评论(0) 分类 VOA慢速英语2007年(五)月

STEVE EMBER: This is Steve Ember. SARAH LONG: And this is Sarah Long with the VOA Special English program EXPLORATIONS. Today, we visit two of the most unusual national parks in the United States. They are Volcanoes National Park and Haleakala Nation

发表于:2019-01-12 / 阅读(249) / 评论(0) 分类 2010年VOA慢速英语(九)月

Lesson Eighteen 听力部分 Dictation: Please prepare your paper and pen. ___________ is always a _____________ for every _____. The ______________ of ____ contamination and ______________of food-borne _______ underscore the ____ for _________ in __

发表于:2019-01-14 / 阅读(148) / 评论(0) 分类 王强口语 第二册

Topics: U.S. Census, Driving While Texting, as well as versus as long as, change versus alter versus modify versus transform Words: census household questionnaire gender privacy Driving While Texting (DWT) Driving While Intoxicated (DWI) drunk crackd

发表于:2019-01-22 / 阅读(129) / 评论(0) 分类 美语听力 English Cafe

Genome: Now in 3-D! In a study in the journal Science, researchers report the mapping of the three-dimensional structure of the human genome, and the finding that the cell's nucleus is divided into two regions, one where DNA goes to get expressed. Cy

发表于:2019-01-30 / 阅读(211) / 评论(0) 分类 60秒科学

EXPLORATIONS - Volcanoes National Park By Paul Thompson Broadcast: Wednesday, June 16, 2004 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: Lava, liquid rock, shooting into the air. And this is Sar

发表于:2019-01-30 / 阅读(293) / 评论(0) 分类 Explorations

How to Find Time to Exercise We all know we should get more exercise but most of us dont manage to be nearly so active as we want to be. Its easy to blame busy lives. If your boss expects long hours or you run your own business, or youre a stay-at-ho

发表于:2019-02-11 / 阅读(195) / 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(175) / 评论(0) 分类 新西兰英语

Calm Old Age 淡定的老人们 Ya?l:So here is a question for our listeners: If there were a potion that would allow you to stay young forever, would you take it? Don: Thats obvious, Ya?l? Who wouldnt want to recapture their youth? Y:Im not so sur

发表于:2019-02-24 / 阅读(149) / 评论(0) 分类 英语听力文摘 English Digest

Get It? 明白了吗? Did you ever wonder what occurs inside your body when something funny happens? What is this thing we have in our brains that makes us say ha-ha when someone slips on a banana? One way to find out is to watch the brain laugh. T

发表于:2019-02-24 / 阅读(167) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
aclatonium
adequate capacity
adhere to the systems established
air-circulating
alsophila pustulosa christ.
alveolar edema
aphelandra squarrosa nees var. leopoldii van houtte
auxilaris
be founded on a rock
be purchased in small quantities
bear back
black gold
blue ribbon juries
breugels
cavity wave meter
chlorocarbonylation
CIIA
clearly erroneous
coaster brake
critical surface
cupel tongs
deepthroating
distributor-trailer
dot alloy mesa transistor
dubris (dover)
dworin
East Point
effective essentials of contract
electric contact hardening
entry query control console
first count
give a glimpse of
give someone a buzz
greedinesses
ground water tracer
Harriet Lane
henck
hoer
homochronous insanity
Homoeosaurus
huygenss
hyperinflammation
infantile rheumatic disease
iridectomised
iron shaving
lithiomarsturite
massive uraninite
media blitz
Merkasept
microwave field intensity meter
model corridor facility
moment limiting device
mortar jetter
mourneress
multifaith
murdress
mutinious
nitrogelatine
nodosa ophthalmia
non-sinusoidal wave
obsecrations
pancreaticoduodenal graft
paper card
pernor of profits
piccovar
pitching niblick
predicate formula
projection type
racette
radiation pressure tensor
RCA cable
rectifying barrier
repeating-coil bridge cord
revitalization
rhynchotechum discolor incisum
sardiss
sash bit
Sc. M.Hyg.
scern
Schrammel guitars
schuit
selenate
self-satisfaction
Septobasidium apiculatum
sexed
Slug-caterpillar
strata basale
sub-schemas
subfissure
tauer
telephone exchanges
the charts
thirsted for
tolerence to acidity
traumatic resin duct
turbo-furnace
urban managers
variedly
Viopsicol
washington, d. c
whorlle-bourlle
winding lubricant