拾声器;唱头

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(272) / 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(334) / 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(295) / 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(390) / 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(322) / 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(344) / 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(356) / 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(311) / 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(292) / 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(372) / 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(266) / 评论(0) 分类 Scientific American(八)月

Take your pick 意思是随你挑 例句: We have enough money to buy any DVD player this store has so take your pick. 我们有足够的钱,所以我们可以任意挑一个DVD机。

发表于:2019-01-08 / 阅读(382) / 评论(0) 分类 美国俚语

Song:Pick U Up Artist:Adam Lambert Jumpin' out the window Movin' on, groovin' on Which way will the wind blow? We can't be wrong, so say 'solong' I'mma pick you up, I'mma pick you up What're you tryin' to say to me? Catch the train out to what yo

发表于:2019-01-11 / 阅读(297) / 评论(0) 分类 英语热力歌曲

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(316) / 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(255) / 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(305) / 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(314) / 评论(0) 分类 2016CRI中国国际广播电台

今天我们要学的词是pick on。 To pick on somebody, 意思是找某人的岔儿,专门跟某人过不去。如果有人老是故意找你的岔儿,你就可以说, Why do you always pick on me? 你干嘛老跟我过不去? Studies show

发表于:2019-02-02 / 阅读(264) / 评论(0) 分类 英语每日一词

今天我们要学的词是pick up。 To pick up, 有改善的意思。 We played terribly in the first half of the game, but picked up after halftime, 我们上半场比赛打得特别烂,但是中场过后明显改观。美国五年前发生卡特里

发表于:2019-02-02 / 阅读(318) / 评论(0) 分类 英语每日一词

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(343) / 评论(0) 分类 实用英语
学英语单词
after bridge
agenda sheet in audit
al qunfidhah
Amygist
analogue to time to digit
Anhydrobiotite
apartheiders
Atherurus
attributed to
Baicheng
balance regulated movement
barge-tug trains
big thrill
braceland
business vouchers
Butuy
cadgily
ceinte
central fire alarm control unit
chilli dog
colugos
compound fixed bridge
cryoburn
de-emphasis
deci-kelvin
Dendrobium jenkinsii
dimensional parameter
edward douglas white jr.s
electrical-to-fluid transducer
enhanced beam
epilamellar
evidence record
exhaust method of sampling pocket
exogenic geological process
extra-vascular hematopoiesis
fixed length module
flash steam
Fritillaria lanceolata
furunculi
Gastrochilus
gov
grimsrud
guestchamber
haxton
HLA system
horny spine
in sb's words
indears
inflatable boat
inhalation of siliceous dust
inophyllum
jet barker
jews'-harp
ll (leased line)
log frame saw
loose ablative
lotus corniculatus var. japonicus regel
lunatus
maystadt
measuring cylinder
meridian astronomy
misomere
mitozolomide
mode-locking effect
morphomaniac
move on to
narais
national balance sheet
nephro-abdominal
nilan
part assembly drawing
passenger train inspection and service point
passenger vans
Port-Royalists
radioactive activity
release program device operation
renana
Rinorea erianthera
saint brides
Schigellae
schistidium apocarpum
siggen
solidity of blades
sporogenous filament
Stria laminae pyramidalis internae
strobilations
sulphinate
synfacial reaction
terasaki
thomaskirche
tors (torgue recorder switch)
trimethylations
vandermerwe
water witching
weld jig
well-selling
Wilson Pirrie quadrant
wimsatts
winter rat
wirgine
Wittesontyde
yttrialite