声导

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(274) / 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(339) / 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(299) / 评论(0) 分类 Scientific American(五)月

模仿文本:Take the relationship between the world's second biggest mining company Rio Tinto and the government of Mongolia. In the last few years, Rio Tinto has spent over $6 billion building a vast copper mine way out in the Gobi desert. It's d

发表于:2018-12-28 / 阅读(288) / 评论(0) 分类 英音模仿秀

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(394) / 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(326) / 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(348) / 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(358) / 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(316) / 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(296) / 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(377) / 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(273) / 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(317) / 评论(0) 分类 2015年VOA慢速英语(九)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(319) / 评论(0) 分类 2016CRI中国国际广播电台

写信的原则(Writing Principles)已从原来的3个C(Conciseness, Clearness, Courtesy)发展到目前的7个C:Completeness, Clearness, Concreteness, Conciseness, Correctness, Courtesy, Consideration实例: Dear Sirs,With reference to y

发表于:2019-01-20 / 阅读(307) / 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(347) / 评论(0) 分类 实用英语

matter 物质 energy 能 vacuum 真空 liquid 液体 fluid 流体 solid 固体 body 物体 mass 质量 weight 重量 density 密度 specific gravity 比重 gravity 重力 velocity 速度 kinetic energy

发表于:2019-02-07 / 阅读(284) / 评论(0) 分类 英文语法词汇

Mine 矿井 People get different kinds of materials from different mines. 人们从不同的矿井中得到不同的矿物材料。 Gold comes from a gold mine. 黄金产自金矿。 Copper comes from a copper mine. 铜产自铜矿。 And coal comes

发表于:2019-02-11 / 阅读(356) / 评论(0) 分类 与美国小学生一起学英文第5册

以字母G开头英语绕口令: Give Mr.Snipa's wife's knife a swipe. 把史立巴先生的太太的刀子抹净 Give papa a cup of proper coffee in a copper coffee cup. 给老爸一杯用铜制咖啡杯装的好咖啡 Gertie's great-grandma grew

发表于:2019-02-27 / 阅读(548) / 评论(0) 分类 英语绕口令大全

Live a single day on planet Earth, or anywhere else in the universe for that matter, and you will experience the natural phenomenon of heat conduction, which is the term used to describe the natural flow of heat from warmer objects to cooler ones. Yo

发表于:2019-03-06 / 阅读(313) / 评论(0) 分类 英语时差8,16
学英语单词
0454
alveoles
antidesign
auto-increment decrement
bosie
bowelled
brewing water
bupleurynol
campaign badge
Ce. C.
charlap
cheapest-to-deliver bond
commandings
competitive enterprise
cooperation in the field of financing
crawling pattern
delusion of loss
departings
determination of dezincification resistance of brass
dimensionless performance parameter
dose constraint
dueling tree
e.y
electrostatic fodce
environmental project
espousing
film-forming emulsifier
flannel twills
floor cell
friable soil
fronysate
fructus oryzae germinatus
gallows humo(u)r
GATT Articles of Agreement
gestapo
gibberella subglutinans
gioas
glucosphingolipidosis
house-senate
ingenderable
inhibit command
initialed text
lampoonry
Ligamentum radiocarpale palmare
lightening core
line-sharker
logic decoder
lounge-diners
Loves Creek
low-pressure facies series
mabry
magnetic surface storage
mail server
make yourself understood
mark number
mass dribble offence
Mehdi
micro-coded controller
mode of transmission
mono theism
monotonia
Muang Nan
Naxas emery
net rated capacity
neurolgeptcs
nontiered
normal impedence
peroxo-disulfate
phase transformation theory
phellodendron amurense rupr. var. japonicum ohwi
physics of plate tectonics
picrite
pikk
planing and shaping machine
polarographies
predicted value
pseudodictyosporium wauense
re-affiliation
recursive procedure call
republicates
rictusempra
sack paper
self-assureds
self-timing gear
selfactuation
shaitan
SJAE (steam jet air ejector)
sodium gold cyanide
South Porcupine
statement text
Storstrφm Amt
subatomic particle
supermorbidly
surveyor's fee
thowls
top scissor and half nelson
training strategy model
triliterality
turbocompressor
twin bedded
uninvaded zone
war patrol