声阻抗密度,声阻抗率

[00:03.89]deed deem deep deepen [00:08.76]n.(已完成的)行为, vt.认为,相信 a.深的,深刻的 v.变深,变浓 [00:13.64]deeply deer defeat defect [00:18.26]ad.深深地 n.鹿 v./n.挫败,战胜n.失败 n.缺陷,缺点 [00:22.88]de

发表于:2018-11-30 / 阅读(142) / 评论(0) 分类 考研英语词汇2005

插座、插头和其它连接物(电器连接) Sockets, plugs and other contacts [electric connections] 插头、插座及其他接触器(电接头) Plugs, sockets and other contacts [electric connections] 表面覆有带电导体的玻璃 Glass

发表于:2018-12-18 / 阅读(87) / 评论(0) 分类 英文语法词汇

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If youve ever popped open a jar of the pickled fish, you know that herring like to stick together. Actually, its something they do naturally, even before

发表于:2018-12-24 / 阅读(146) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In theory, scientists could learn a lot about our health by testing tiny amounts of bodily fluidsa drop of blood, a tear, a bead of sweat. But somethin

发表于:2019-01-08 / 阅读(114) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. When Harry Potter slips underneath his invisibility cloak, he can wander freely undetected, but what about a cloak of silence, one that completely deaden

发表于:2019-01-08 / 阅读(127) / 评论(0) 分类 Scientific American(六)月

Venice's Church of the Most Holy Redeemer has held a musical celebration every year since its construction in 1592. And recently, the church has inspired debate among historians: How could its echoing chambers clearly portray the complicated music pe

发表于:2019-01-08 / 阅读(131) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-Second Science.I'm Cynthia Graber . This will just take a minute. (Chirping sound.) That may not sound likemuchbut its the loudest animal in the world. For its size, that is. Theinsect called the water boatman is two m

发表于:2019-01-08 / 阅读(118) / 评论(0) 分类 Scientific American(七)月

The number of US households in some stage of foreclosure took another bump-up in July. The group RealtyTrac which maintains an extensive database of foreclosure activity nationwide says foreclosure filings last month were up 7% from the previous mon

发表于:2019-01-08 / 阅读(128) / 评论(0) 分类 2009年NPR美国国家公共电台8月

What Does the Multimedia Actually Mean? Literally, multimedia means TWO or more media. If the publisher of this book Wanted to join the Current hype about multimedia, he could advertise the book as using multimedia technology. After all, it contains

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 英语阅读理解

Lindsey KaneYou'll be whole to the one in the corner i got something to say you have never been alone know not even a day and i know that you feel a hope is gone away lost and fogot it and things take it away~~ but you wanna always be this way so you

发表于:2019-01-09 / 阅读(91) / 评论(0) 分类 好听的英文歌曲

One man's home is another man's journey Stars shine late and the sun shines early One man's straight and another man's curly It's just the way it goes One man's trash is another man's treasure Rummaging around in the rain in the weather One man's pai

发表于:2019-01-11 / 阅读(90) / 评论(0) 分类 美国乡村音乐

Well there's so much turning still Watching the fireflies drown Set fire to the sails Laughing as the boat goes down Well eyes tell a thousand tales I've been chasing my own one around Got a coffin with a thousand nails And we hammer this last one do

发表于:2019-01-11 / 阅读(64) / 评论(0) 分类 美国乡村音乐

Screams Have Special Place in Brain 尖叫声在大脑中会有特殊的位置 From VOA Learning English, this is the Health Lifestyle report. Have you ever thought about screaming? A blood-curdling scream is a natural reaction to sudden, extreme fri

发表于:2019-01-12 / 阅读(102) / 评论(0) 分类 2015年VOA慢速英语(八)月

By Doug Levine Washington 27 June 2007 It's been more than 15 years since saxophonist Joshua Redman won first prize at the Thelonious Monk International Jazz Competition. That honor proved to be a worthwhile stepping stone, as he went on to record mo

发表于:2019-01-13 / 阅读(137) / 评论(0) 分类 2007年VOA标准英语(六月)

Chris Hillman Edward Pederson's At Edwards BarnChris Hillman and Herb Pedersen had bluegrass in common when they met as teenagers in Los Angeles back in the early '60s, but the two didn't make much music together until years later. Hillman first came

发表于:2019-01-13 / 阅读(99) / 评论(0) 分类 VOA标准英语2010年(十二)月

LOURDES GARCIA-NAVARRO, HOST: If you're familiar with the band Disturbed, you're probably used to hearing them sound like this. (SOUNDBITE OF DISTURBED SONG, INSIDE THE FIRE) GARCIA-NAVARRO: But last year, the band softened its sound when they covere

发表于:2019-01-16 / 阅读(97) / 评论(0) 分类 2017年NPR美国国家公共电台1月

As 2014 draws to a close, its time to look back and see which words have been significant throughout the past twelve months, and to announce the Oxford Dictionaries Word of the Year. Without further ado, we can exclusively reveal that the Oxford Dict

发表于:2019-02-04 / 阅读(87) / 评论(0) 分类 英语新闻

Abadie's Sign Chinese阿巴迪征(跟腱受压无感觉,见于脊髓痨) Abaptiston Chinese安全开颅圆锯 abarognosis Chinese压觉缺失 abasia astasia Chinese立行不能 abasia Chinese步行不能 abdominal reflex Chinese腹壁反射 abduction Chinese外展 abiotrophy Chinese生活力

发表于:2019-02-07 / 阅读(120) / 评论(0) 分类 英文语法词汇

So what really happened? Hertzfeld asked. Is it really as bad as it looks? 到底发生了什么?赫茨菲尔德问道,真的有这么糟吗? No, it's worse. Jobs grimaced. It's much worse than you can imagine. 不,更糟,乔布斯一副愁眉

发表于:2019-02-15 / 阅读(85) / 评论(0) 分类 乔布斯传

The Way It Goes (Acoustic) - Passenger One man's home is another man's journey Stars shine late and the sun shines early One man's straight and another man's curly It's just the way it goes One man's trash is another man's treasure Rummaging around i

发表于:2019-02-18 / 阅读(99) / 评论(0) 分类 英文摇滚歌曲
学英语单词
aculeate
adipochrome
Amestest
ankylopteryx (sencera) exquisita
anterior cardinal sinus
banita
barrio
be brief
berovin
bookcraft
butt-cheek
cargo list
carpet munchers
caseless cartridge
Centropogon
Cesio
chemical reprocessing plant
Christian soldier
churn staff
cicatrise
compensatories
concertations
consular marriage
controlled atmospere arc welding
cornrow
depleted reservoir
diectric separation
diplopterygium laevissimum
disengaged vapour
disrespectable
Drangan
dressed to the nines
drift of mobility
electro hydraulic steering gear
extinct species
face line of teeth
feed handling equipment
feehery
fleecier
furfurans
gain the bell
genus Carpocapsa
geochelone radiata
grain boundary transistor
gunmas
gyrs
heptalogies
high-velocity electron beam
homogeneous cooling
HSV-II
Hypothetical Salvage
Immed
leaf shale
long distance arming time
luzonite
manual work station
maximum propulsive efficiency
melding
men in buckram
minimum deposit
mix in
monocistronic messenger RNA
mowntance
mustine hydrochlcride
Negreira
nesting of subroutine
one company
onehalf
open price
Parcae
pasigraphy
pedimanous
Pentium processor
personnel contact
proctoplasty
pseudoracemic mixture
quietus est
report on/upon
RGBY
risk-free lending
screwfly
Severn Gorge
sky-coloured
space rocket engine
Spiriferella
stone ledge
sustained annual yield working
synthetic compost
tailages
tatty bye
thickening effect
tropical rain
unstabilize
USAIG
vector locus
vector momentum
vlogger
vox-pops
white glove test
wire transfer system
yarn bleaching
youthhead