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(98) / 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(108) / 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(111) / 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(136) / 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(157) / 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(136) / 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(166) / 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(110) / 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(120) / 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(138) / 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(96) / 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(230) / 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(113) / 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(121) / 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(100) / 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(130) / 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(118) / 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(103) / 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(120) / 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(149) / 评论(0) 分类 实用英语
学英语单词
alessis
antistaticfluid
Bad Sankt Peter
baloda bazar
Banur
bereuter
blowbys
bull earing
bullous eruption
Canneto sull'Oglio
certified fumigant
circuit repetitive peak off-state voltage
control rod gap
convexion
counternotice
crested wheatgrasses
cylindrical open ended crucible
damion
debugging plan
direct interception
dorsocentral ridge
ecliptic plan
EOL mark
ethyl-cinnamic acid
extension of validity of bids
eye protection glasses
eyewitnessed
faucher
fuel-effects
fuel-resistant rubber
gas combustion pipette
gas-filled relay tube
gayby boom
gold-doped germanium
habenular commissure
Haor, Ras
Hexabromofluoropropane
immersed volume
inclined guide
injection speed
interdialytic
jamaica shortss
label printer
lacovara
Lasegue's syndrome
Lebensbild
Lindisfarne
matinee-idol
megadrive
meropidaes
minstrels
n.s.p. to waist
nephrolepis cordifolia
neriin
newsorg
opisthography
orangeburg
partial cross section
pascali
pass design
philonotis setschuanica (c.m(u)ll.) par.
phytophthora katsurae
picture synchronizing signal
pivot steering
plate modulaion
pneumatic temperature controller
poeles
pressure on transport
proxacalypteron
pseudohermaphroditisms
puderer
pullicate
pulse width coding
r process
ratio estimation
real estate ownership
rhodoial (erythrite)
rogers
save the world
scanning laser radar
Sett.
shelm
short udder
show-biz
softloaded
strengthen the spleen and stomach
summerskills
swainsboro
taxaceae
taxes owed
television and radar navigation system
test cabinet
to clean up
trekschuits
uhle
Umbanda
usie
Villepinte
vinosus
White, Mt.
xylaria formosana
yaryan