学单位

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(339) / 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(415) / 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(386) / 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(451) / 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(403) / 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(420) / 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(414) / 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(384) / 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(352) / 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(466) / 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(349) / 评论(0) 分类 Scientific American(八)月

Words in unit 3 [00:03.77]第三单元的单词 [00:07.55]school [00:08.31]学校 [00:09.06]classroom [00:09.82]教室 [00:10.58]library [00:11.39]图书馆 [00:12.20]borrow... [00:12.88](向某人、从某处)借 [00:13.56]make [00:14.39]做;制

发表于:2019-01-09 / 阅读(515) / 评论(0) 分类 人教版小学英语五年级

Words in unit 6 [00:04.02]第六单元的单词 [00:08.05]fever [00:09.00]发烧 [00:09.95]stomachache [00:10.74]胃痛 [00:11.52]headache [00:12.32]头痛 [00:13.11]toothache [00:13.57]牙疼 [00:14.03]cough [00:14.81]咳嗽 [00:15.60]problem [00:16

发表于:2019-01-09 / 阅读(486) / 评论(0) 分类 人教版小学英语五年级

[ti:UNIT 2 Colours and Clothes Lesson 16: Unit Review] [00:00.86]UNIT 2 第二单元 [00:02.65]Colours and Clothes 颜色和衣服 [00:06.62]Lesson 16: 第16课: [00:08.53]Unit Review 单元复习 [00:11.44]Ⅲ. [00:13.24]Listening and Speaking 听一

发表于:2019-01-09 / 阅读(589) / 评论(0) 分类 河北教育初中英语(初中起点)七年级上

[ti:UNIT 6 Let's Go! Lesson 48: Unit Review] [00:01.53]UNIT 6 第六单元 [00:03.33]Let's Go! 我们出发吧! [00:05.57]Lesson 48: 第48课: [00:07.23]Unit Review 单元复习 [00:09.79]Ⅲ. [00:11.24]Listening and Speaking 听一听,说一说

发表于:2019-01-09 / 阅读(603) / 评论(0) 分类 河北教育初中英语(初中起点)七年级上

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(401) / 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(329) / 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(381) / 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(401) / 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(412) / 评论(0) 分类 实用英语
学英语单词
abatsons
actuation gear
an athletic meeting
annual pension
argand
argon-oxygen decarburization (aod)
ash-free filter paper
average over all efficiency
Birkhoff
block welding technique
blow jobs
breast-feed
Canning, George
cesium-beam atomic oscillator
cock gobblers
coleopucciniella simplex (diet.) hara
color quenching agent
conductance titration
cotiga
criticality factor
crossarm
crossbar switch organization
dabber
deep transverse metatarsal ligament
depas
diacylglycerol
digital-to-voice translator
Digne-les-Bains
direct axis component of current
distant back-up protection
distributive cost
Engineering Research and Development Laboratory
eucaryon
experimentalizing
face reading
Gaelicize,gaelicize
genus jatrophas
Gilsonite
Gokprosh Hills
goldthwait
graph notation
had a bearing on
hybrid agent
hydrate of aluminium
hypostyle column
I lost my bag
integrity
intestinal obstruction
Jy.
lancegays
Lanxess
laodong
liodrosophila spinata
living allowance
logic circuit design
low gears
magnetic flux quantum
make approaches to
manners and customs
message area
michaelis-menten equation
mini rugby
mulboos khas
multi-channel carrier telephony
necke
neighbo(u)rhood method
newsjacking
non-isothermal growth
over-voltages
oxalacetic acids
path vector protocol
pericytic
plastic spectacle lens
Pontresina
population distribution and policy
pore volume of catalyst
posteromedian
pre-interpret
Priozërskiy Rayon
pseudomonas pneumonia
read out unit
reinforced seal
rough wearing fiber
rubidium cobalt alum
running-test
self disgust
skeleton shrimps
special division
Taenia taeniaformis
Thierry zinc furnace
thunder-disease
timer paper
top something out
top three
tube stay
undulating line
unvelvetly
urban homesteader
volume molded per shot
West Nanticoke
world-wide time
You never can tell.