深海声传播

Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea-surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land. The open sea was deep and mys

发表于:2018-12-08 / 阅读(692) / 评论(0) 分类 新概念英语第四册

Sailors were on the top deck,they were yelling and pointing, thegiant octopods loosened his hold on Jack and Anne,The ship! Jack giggled before slipping under the water. His headpopped back up,Swim to the ship! He shouted to Anne.. Jack and Anne star

发表于:2018-12-10 / 阅读(78) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Jack plunched down into thesea, the water was freezing cold, hepumped back up to the surface, choaking and coughing, the lifevest kept Jack closed, but the waves kept hammering at him. Help! Jack shouted. Thought to the twenty foot tiger shark, andmy

发表于:2018-12-10 / 阅读(108) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Henry led Jack and Anne out of the sea lab, locking the door behindthem, then he led the way through the hall and down to other flat ofthe deep steps, in the faint light of the lower deck, Jack saw navyofficers and scientists sdreaming through the do

发表于:2018-12-10 / 阅读(84) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

The captain turned and stroked away. Sorry. Friends. Henry said to Jack and Anne. but captain in charge,he looked around, I see Joe and Tommy are helping the man bringup the catching now. as soon as they are free, I will ask them toback you to the sh

发表于:2018-12-10 / 阅读(83) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

The wind is against us. Joe said to Tommy in rouse voice, eventhough the boat pastthe vergers, he kept bunching up and down onthe sweltered. Water splashed over the side, and soaked Jackscloth, but Jack wasnt worry about the wind or water. He wasworr

发表于:2018-12-10 / 阅读(87) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Jack threw their book onto his pack, and quickly ran to join Anne. Hi! He said to the three men. Dont be afraid. Said Anne. we come in peace. The three men kept talking, who, who are you? One of the sailorspattered. Jack and Anne walked closer. I am

发表于:2018-12-10 / 阅读(72) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Jack opened his eyes, Teddy and Catherine were gone, the warmair was filled with mist, Jack and Anne peered out of the windowtogether, the tree house had landed, and the tall tree with spreadingbranches, the mist was so thick, they couldnt see anythi

发表于:2018-12-10 / 阅读(80) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Jack felt rain drops he looked up and saw the summer storm cloud . Hurry! Jack called to Anne. They were riding their bikes home form library, Jacks backpackwas filled with library books. He didnt want them to get wet, asJack and Anne piddled fast, a

发表于:2018-12-10 / 阅读(89) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Where is my backpack? Jack yelled to Anne. What? Anne said. My backpack! Said Jack. Dont worry about it now, said Anne, wehave to ...the wand, the wand. Jack interrupted her. Oh, said Anne. the wand. We have to find my pack, fast! Said Jack. Jack and

发表于:2018-12-10 / 阅读(89) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Jack looked up, the captain the professor and the crew memberwere all gazing out of the side silently down the water. Henry gavecaptain a salute. The captain saluted back. then everyone on boardclapped andshouted. Overhead the clouds disappeared, as

发表于:2018-12-10 / 阅读(84) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Jack put his wand back to his pack, then he and Anne chargedback to lab with Henry behind them. The three of them came backupstairs, when they stepped out to the top deck, they heard thesailors still shouting and yelling. Jack and Anne raised across

发表于:2018-12-10 / 阅读(63) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Over 60% of our planet is covere

发表于:2018-12-19 / 阅读(93) / 评论(0) 分类 环球英语 Spotlight

More Surprises from the Deep Sea Researchers hired to study part of the deep sea floor of the Pacific Ocean found a surprising number of new animal species. Scientists at the University of Hawaii at Manoa studied a 900-square-kilometer area in the ea

发表于:2019-01-12 / 阅读(112) / 评论(0) 分类 2016年VOA慢速英语(八)月

Singer-songwriter Eric Bibb delves deep into the Delta blues on his new release, Booker's Guitar. The album was inspired by a vintage guitar once owned by Mississippi bluesman Booker White. Eric Bibb claims he's a lifetime fan of the late Booker Whit

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2010年(一月)

Sea Life Color Codes Food to Evade Danger The ocean glows with undersea life which makes its own light. These animals living on the ocean floor, beyond the reach of sunlight, have evolved this bioluminescence for camouflage, to find mates or to repel

发表于:2019-01-13 / 阅读(102) / 评论(0) 分类 VOA标准英语2012年(九月)

ARI SHAPIRO, HOST: We're going to speak now with someone who has spent the last month exploring a largely uncharted world, discovering some bizarre creatures that have never before been seen by humans. Dr. Tim O'Hara is a marine biologist, and we are

发表于:2019-01-17 / 阅读(109) / 评论(0) 分类 2017年NPR美国国家公共电台6月

PowerChina International, Shenzhen's Yantian Port Group and Rizhao Port Group have been selected to help a Malaysian company build the 1.9-billion US dollar port. The project itself is part of the larger Melaka Gateway Project that China and Malaysia

发表于:2019-01-19 / 阅读(102) / 评论(0) 分类 2016CRI中国国际广播电台

Working coast to coast Sleeping on a train Caught between The settled life And on the road again People often ask me Where it is Im from Find it hard to tell them So I say it in a song Eagle in the mountains Floating on a breeze Shark out in the ocea

发表于:2019-02-19 / 阅读(77) / 评论(0) 分类 美国乡村音乐

Voice 1 Welcome to Spotlight. Im Liz Waid. Voice 2 And Im Robin Basselin. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 3 Over 60% of our planet is covere

发表于:2019-03-04 / 阅读(404) / 评论(0) 分类 环球英语 Spotlight
学英语单词
AAAE
acolbifene
al-hikma
alpiniae katsumadai semen
angel (echo)
arboes
Backus-Naur formalism
beam cathode
bimetallic(spring cone) seal
blast injection diesel
chafing piece
code conversion table generation program
cold reflex urticaria
collector gain
combined gastric and duodenal ulcers
comparable with
controlling spring
cry up
demagnetized erasure
deskewed
dispersable power
document format
dual wheel loading
DYVON
false shaft
fast track mode
fill coefficient
filter lens
Fishberg-Friedfeld tests
four-ball load carrying capacity test
frequency plane
Gordrin
hazoume
heat transfer head
hectopascals
high-viscosity oil
hip born
HPPCFC
hydropathic compress
indigenous inhabitant
inner morality
integral and differential
Ixodes crenulatus
knobbing
leg power
likeglobin
line-bar
liquid-metal slip-ring
losindole
maln
melocactuss
membranocartilaginous
moor-cock
multidomain
nadoxolol
naphthalene counter
non-displacement condition
nonlinear finite element
Normuraft
nsuta-mno (nsutite)
oxihemogra
Pachypterygium multicaule
pork scrape
position pulse
positive regualr
primary supply
principle of virtual displacement
quoracy
receiving power
reinvolvement
results.txt
richful
rocking equipment
Ruffini
satisfaction aggregation model
sclerodermoid porphyria cutanea tarda
Scott, Sir Walter
Sedlo, Gora
site selection
slide top
smeeky
Somalia
sonic shock
St Patrick's Cathedral
stochastic sequential machine
superconductivity film
suppurative pyelonephritis
tailing cake
take names
the bottle
three plant generation
throttle control egr system
toroid
toss around something
toxicity of boronoxygen compounds
triaxial stress
trunk control
valve fitting
Vietnam Veterans of America
Vrpolje
weather eyes
whiddens