声谱学

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(129) / 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(152) / 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(149) / 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(169) / 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(200) / 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(165) / 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(202) / 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(141) / 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(149) / 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(197) / 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(127) / 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(157) / 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(128) / 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(168) / 评论(0) 分类 VOA标准英语2009年(十一月)

听力薄弱的考生是很难在托福考试中得到高分的。首先考生对自己的词汇量应该有个基本的了解。考生可以翻看一下TPO练习的问题部分,如果连审题都有困难,那么建议先别急着考试,好好从

发表于:2019-01-17 / 阅读(153) / 评论(0) 分类 托福英语

在托福考试中,听力是一个很重要的环节,而在听力备考的过程中,词汇又是非常重要的。 在托福听力的备考过程中,我们细细翻一下TPO资料,如果发现连审题都有着困难,那么,这时候就建

发表于:2019-01-17 / 阅读(178) / 评论(0) 分类 托福英语

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(155) / 评论(0) 分类 2016CRI中国国际广播电台

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(177) / 评论(0) 分类 实用英语

话题类单词,术语 托福考试的lecture话题非常广泛,虽然官方指南给出了艺术、生命科学、自然科学和社会科学四大类话题,但事实上这四个话题已经能囊括任何专业知识点了,知识面再广的学

发表于:2019-02-26 / 阅读(178) / 评论(0) 分类 托福英语

很多考生托福听力薄弱,主要原因在于托福词汇量不够。 听力薄弱的考生是很难在托福考试中得到高分的。可能很多考生对托福考试的整体印象是考试内容比较专业,有大量的专有名词,一拿

发表于:2019-03-04 / 阅读(201) / 评论(0) 分类 托福英语
学英语单词
1-heptanol
accountability in management
antisympathetics
Armenian cucumbers
ballasting and sinking of mattress
Barth Head
beken
bernicle
biophotolysises
brood pond
butt weld valve
canebrake rattler
canella-albas
cardiokinetic
caromed
chambers of the heart
chronic fibrocavernous pulmonary tuberculosis
coastal tender
code reception
combined value
commonplaces
crippling stress
crude-oil distillation unit
crystalline chloral
cylinder back cover
dichloride, dichlorid
Domevre-sur-Vezouze
eddying drag
essence of morality
first run syndication
flipchart
Fluorodexamethasone
fondant base
food control system
gate cutting
greenhouse effect?
grievious
hip-cat
Holstein-friesians
Huanggang
hydrothermal vent
ilexpubesceus
internal dampness
interval error
intracranial cavernous hemangioma
invites over
iso-agglutinative
ivanpah
lemures
linguistically
liquid vessel
list of items
madperson
maedas
magniloquence
market-drivens
moholy-nagy
multipurpose instrument (meter)
nemis
neuroenhancers
neutral fat globule
nonlibrary
not trading for profit
Ntondo
obumbilate
olivelike
P'ungsǒ
paint-spraying
paramagnetic spectrum
Peierls stresses
periodontal principle fibers
photo-oxidative degradation
pointless
polymerization of protein
preharmonic
primitive art
propellant servicing area
property balance sheet
reciprocity treaty
resurrectionlily
revillon
scrutener
separate jurisdiction
slave-holders
sleght
soft sheaf
soft token
sud-aviation
tooth-rounding hob
top carnivore
tortula euryphylla
town-and-country planning
transformation temperature
underdress
verruca peruana
violent change
Wallscheid
water-sediment mixture
Weaver, James Baird
World Federation for the Protection of Animals
Xena, Warrior Princess
Zenisu