吸声系数[因数]

a an abandon abide ability able abnormal aboard abolish about above abroad abrupt absence absent absolute absolutely absorb absorption abstrate abstract absurd abundance abundant abuse abuse academic academy accelerate acceleration accent accept acce

发表于:2018-11-30 / 阅读(171) / 评论(0) 分类 2005星火考研词汇记忆指南

diesel sincerity hit thrash dilute spiral absorption inject diploma groan infer summit foremost confront between popularity offence exemplify blunt assessment pact tuition wrath allied

发表于:2018-12-01 / 阅读(139) / 评论(0) 分类 用Mp3背六级单词

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Can you name those notes? Probably not. Perhaps one in ten thousand speakers of European languages has perfect pitch - the ability to recognize a note without having hea

发表于:2018-12-24 / 阅读(100) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. If you ever got picked on in the schoolyard, you might have wished for some sort of superpower, like unbeatable speed or maybe just the ability to completely disappear. Now scientists

发表于:2018-12-24 / 阅读(103) / 评论(0) 分类 Scientific American(五)月

Hybrid cars are good for the environment. But scientists say that they might be bad for pedestrians. Because hybrids are so quiet, it can be hard for walkers to hear them until its too late. Listen to this. [quiet car sound] Thats a Toyota Prius mov

发表于:2019-01-02 / 阅读(149) / 评论(0) 分类 60秒科学

If you ever got picked on in the schoolyard, you might have wished for some sort of superpower: like unbeatable speed or maybe just the ability to completely disappear. Now scientists at the College of Wooster in Ohio say that you might have had a s

发表于:2019-01-02 / 阅读(155) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Every year, scores of manatees are killed by boats in Floridas waters. Their plight is an ecological concern. And everyone from marine biologists to Marg

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Hybrid cars are good for the environment, but scientists say that they might be bad for pedestrians. Because hybrids are so quiet that can be hard for wa

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 Scientific American(五)月

We humans are pretty good at communicating with sounds other than words. But how much of this is hard-wired, and how much do we pick up from others? To find out, researchers recorded the nonverbal sounds of people born deaf, as they responded to a ra

发表于:2019-01-08 / 阅读(115) / 评论(0) 分类 Scientific American(十一)月

Blue whales off the California coast make calls that, sped up 10 times, sound like (sound of two-part call). The original is a wall-rattling frequency too low for us to hear. Scientists analyzed around 2,500 of those calls, and found that the second

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 Scientific American(八)月

Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.

发表于:2019-01-08 / 阅读(117) / 评论(0) 分类 Scientific American(二)月

Country Music Ladies Put Men in Their Place American country music lyrics often describe women as they might appear in mens dreams. This is especially true of songs by many male artists. But the songs by Maddie Marlow and Tae Dye are different. The t

发表于:2019-01-12 / 阅读(112) / 评论(0) 分类 2015年VOA慢速英语(九)月

New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping

发表于:2019-01-13 / 阅读(107) / 评论(0) 分类 VOA标准英语2010年(二月)

Ethiopian Jews Settle Into Life in Israel Israel is marking the 20th anniversary of a massive airlift of Ethiopian Jews called Operation Solomon. The arrival and integration of tens of thousands of Ethiopians into Israeli society have presented major

发表于:2019-01-13 / 阅读(87) / 评论(0) 分类 VOA标准英语2011年(十一月)

今天我们要学的词是WOW factor。 A WOW factor, 指让人惊叹的东西。经济不景气,也影响到了玩具行业。从二月中旬开幕的美国国际玩具展可以看出, In 2009, there will still be toys with the WOW factor, but

发表于:2019-01-30 / 阅读(122) / 评论(0) 分类 英语单词荟萃

A share A股;甲类股份 abatement of tax 减税;减扣免税额 ABN AMRO Bank N.V. 荷兰银行 above-the-line expenditure 线上项目支出;经常预算支出 above-the-line receipt 线上项

发表于:2019-02-01 / 阅读(118) / 评论(0) 分类 财会英语

Around the world, many people start their day with a cup of coffee, a cappuccino, or an espresso. At the same time, there are many people with various thyroid conditions who rely on synthetic thyroid hormone replacement medication like levothyroxine

发表于:2019-02-01 / 阅读(104) / 评论(0) 分类 实用英语

通知与确认 Acknowledgments Confirmations 通知对方接到来信Acknowledging receipt of letters1. Dear Mr/Ms,Thank you for your letter No. A-3 of 6th May, offeringus 6 UI-4 Viewdatas. We have passed it on to ourTechnical Department for their c

发表于:2019-02-06 / 阅读(140) / 评论(0) 分类 实用英语

A abbreviation,absorption,abstract,abundance,acceleration,acceptance, accessory,accommodation, accordance,acquaintance,acquirement,acquisition,adjustment,administration, admiration,admission, adoption

发表于:2019-02-18 / 阅读(103) / 评论(0) 分类 考研英语

Jo: This is Real English from BBC Learning English. Im Jo. Jean: And Im Jean. Jo: Today were going to look at words and phrases that have recently become part of the English language. Jean: 在我们的《地道英语》节目当中,我们会带领大家一起来学习和熟

发表于:2019-02-26 / 阅读(377) / 评论(0) 分类 地道英语在线听
学英语单词
adjusted quantity
allenylic
aquula
arbitration expense
Autogenous Mills
Bacillus enteritidis
benthic trawling gear
Berëzovskiy
Biharamulo
blackly
bombastic
bowel cancers
boxercise
Bumbuli
cajuputole
carbon process
centrifugal pump with vertical axis
clairin
connector socket
contestant
crono
customer departmentalization
cylinder in line engine
Cystacanthus paniculatus
Data.
diffusion icterus
diiamb
dohyaline
efficiency of retrieval system
ethren
exchange rate arrangement
findfields
form-family
Fortel
fractional driving
genus listerias
gnomonic ruler
heading marker alignment
hit and miss governor
holmstroms
hypothermal ore deposit
inactive optics
increasing section
inherently ambiguous contextfree language
intraabdominal
intrados
iridarsenite
kesso oil
kid oneself
lexemic alternation pattern
livestock number
lymphoblasts
made broad our phylacteries
Mateszalka
minimicrosphere
mountain-man
mouthlike
neutral fats
ochthebius formosanus
oil drain-cock
opisthenar alopecia
owner-controlled
Parada Guayabos
pit molding
play football
price growth per cent
radioactive colloid
read text program
rectal swab holder
Regent's Park
restrictive mutation
ruddleman
run-out of shaft
scale modeling
schirryve
school technology
self-energized
sidney
software simulator
source distance
space charge tetrode
spaic
sporotrichin
storm eddy
strophalloside
stutterers
tactosol
testing-program time
Theo-X
thermindicator
thomas carews
thrashin'
three operating crane
tide and half tide
toot one's own horn
tussars
undersalt
universal default
velvia
vertebral nerve
xeroxes
yzma