[电] 声幅射器

[00:08.99]You Must Be Our New Neighbor [00:15.32]你一定是我们的新邻居吧 [00:21.66]A. Oh, hello. You must be our new neighbor. [00:25.78]哦,你好。你一定是我们的新邻居吧。 [00:29.91]B. Yes,thats right.Let me introduce mysel

发表于:2018-12-03 / 阅读(143) / 评论(0) 分类 快捷之路交际英语2

[00:00.00]1 A:How much is it to rent an economy car? [00:02.09]租一辆经济车需要多少钱 [00:04.18]B:$19 a day or$129 a week unlimited mileage [00:09.09]19元一天或129元周不限里租 [00:14.00]A:Could I have one for tomorrow morni

发表于:2018-12-10 / 阅读(124) / 评论(0) 分类 实用英语口语

When Pablo Panda Sandoval made history with 3 home runs in game one of the world series his head was probably buzzing. But when batters in chilly Detroit had the ball not quite right in the next couple of the nets, it will be their hands that buzzing

发表于:2018-12-24 / 阅读(83) / 评论(0) 分类 Scientific American(十)月

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(85) / 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(86) / 评论(0) 分类 Scientific American(五)月

Scientists analyzed around 2,500 of those calls, and found that the second part (sound) is nearly identical in pitch every time from each whale: 16 hertz, or four octaves below middle C. And the slight variations in frequency that do exist are only a

发表于:2019-01-02 / 阅读(115) / 评论(0) 分类 60秒科学

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(134) / 评论(0) 分类 60秒科学

Can you name those notes? Probably notperhaps one in 10,000 speakers of European languages has perfect pitch, the ability to recognize a note without having heard any reference note first. But theres a much better chance you could successfully name

发表于:2019-01-02 / 阅读(113) / 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(133) / 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(89) / 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(94) / 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(86) / 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(70) / 评论(0) 分类 Scientific American(八)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(94) / 评论(0) 分类 2015年VOA慢速英语(九)月

Boston Symphony Makes Music in Mountains When Serge Koussevitzy, the Russian-born conductor of the Boston Symphony Orchestra, opened Tanglewood in 1937, he chose an all-Beethoven program, including the Pastorale Symphony. When conductor Christoph von

发表于:2019-01-13 / 阅读(73) / 评论(0) 分类 VOA标准英语2012年(七月)

By Alisha Ryu Nairobi 18 November 2009 A U.S.-flagged container ship which was hijacked by Somali pirates seven months ago has been attacked again off the coast of Somalia. Pirates were unsuccessful in their second attempt to hijack the Maersk Alaba

发表于:2019-01-14 / 阅读(104) / 评论(0) 分类 VOA标准英语2009年(十一月)

The Tiangong-2 space lab, though adopting the structure of Tiangong-1 without too many changes in appearance, has been designed to function much stronger than its predecessor. Zhu Congpeng, chief designer of the lab, says they've focused on a variety

发表于:2019-01-19 / 阅读(92) / 评论(0) 分类 2016CRI中国国际广播电台

多大年龄算是成年,各国法律有不同规定。英国一项最新调查总结出50个成年标志,其中既包括每月规划收支、关注利率、有自己的政治观点等智商情商方面的成熟表现,也不乏自己洗衣服、换

发表于:2019-01-30 / 阅读(105) / 评论(0) 分类 阅读空间

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(129) / 评论(0) 分类 实用英语

戴尔卡内基是励志大师,今天一起聆听他的箴言吧。 Most of the important things in the world have been accomplished by people who have kept on trying when there seemed to be no hope at all. by Dale Carnegie, Motivational Expert 「世

发表于:2019-02-06 / 阅读(86) / 评论(0) 分类 卡卡课堂早餐英语
学英语单词
0-ary function
acrocephalosyndactylism
air cycle equipment
aleurocanthus mangiferae
all seals open
apparent anomaly
arbortech
automatic synchronizing set
aux send/return
barn spiders
Beckley gauge
Biharamulo
binding energies
cerium hydroxide
circuit breaker cylinder
clay kiln
closed loop program
comparative literature
controlling mind
counterproposing
covert
diabolised
differential voltage meter
dispenses
dorine
eightg-niner
En-Soph
eneolithic
episterno-precoxal
fast forward solenoid
final drive reduction
fissile nuclide
floating fixture systems
form roll
from the bottom of my heart
grade labeling
gripper-shuttle loom
Guthrie rest
hemiatonia apoplectica
hemicontinuous operator
I. J. O.
IIB (International Investment Bank)
initial length
internal spending multiplier
ionospheric probing
iralukast
jingjie
kalidium schumkianum bunge et sternb.
karson
Keplerian ellipse
Lecher wires
lose one's presence of mind
magnet bar code
major oil pollution incident
mat molding
meritless
metryperkinesis
motive seal
multivalent vaccine
nelson-atkins
Neptune Glacier
nonlinear effect of self-phase modulation
nonsyndromic
noses around
object of the right
optical frequency refractive index
optimal condition
overfocused
photoinductive
Phyllostachys parvifolia
pipe one's eye s
power forwards
pseudostoma
put the pedal to the metal
pyroxene gneiss
range of temperatures
rectifier
regular cut
resinated
S.N.
sales value
sausage formula
secondary classification
shadow price
ship radio silence
sigmund freuds
siscowet
slag tank
social animals
speed control governor
spike disintegrator
stablity
stockist
sulphur copper
system-analysis
Tharthār, Wādī ath
the benefit of the doubt
thnetopsychism
top feed baller
unipolar-bipolar conversion
wall-projected shelf
WRV