[声] 声辐射计法

A-B-C METHOD OF MANAGING ATTITUDES As an airport skycap checked through a customer at curbside, he accidentally knocked over the man's luggage. He quickly collected the fallen bags and apologized for the mishap. Unappeased, the traveler burst into a

发表于:2018-12-07 / 阅读(372) / 评论(0) 分类 每天一点英文

我上个月坐火车到纽约去看朋友,上车后刚要坐下,旁边座位上的女乘客就开始很大声的自言自语,看上去精神好像不太正常,吓得我只好在过道对面远远地坐下。 后来我注意到,每次有人要

发表于:2018-12-16 / 阅读(247) / 评论(0) 分类 美国习惯用语

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(157) / 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(181) / 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(181) / 评论(0) 分类 Scientific American(五)月

Books and Arts;New film 文艺;新片上映 Method in the madness 疯狂中的理智 A searching look at what caused the split between Freud and Jung 深度挖掘:弗洛伊德、荣格决裂的原因 Psychoanalysis, as practised by Carl Jung and

发表于:2018-12-31 / 阅读(256) / 评论(0) 分类 经济学人文艺系列

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(188) / 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(227) / 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(194) / 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(235) / 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(175) / 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(174) / 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(241) / 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(159) / 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(187) / 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(154) / 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(189) / 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(180) / 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(209) / 评论(0) 分类 实用英语

Traditional Teaching Method Do your teachers still use traditional techniques to teach you nowadays? A revol- ution in teaching techniques is required now. In the past, we just took it for granted that a teacher' s aim was to teach the students all t

发表于:2019-02-08 / 阅读(210) / 评论(0) 分类 英语作文
学英语单词
achrematite
additive effects
aquayamycin
argatoxyl
attachment plant
bisync device driving routine
blade beam
brownian movements
bushwomen
caespitulose
carboxyls
centile
cetonia auratas
chrosomal abnormalities
circular finish
contact wire pre-sag
continuity of care
cuphead
cutose
design of statistical inquiry
draw-knife
duckbucket
East Staffordshire
eisenbrucite
electrical isolation fibre
enforced liquidation
equal temperaments
equipment bonds
familyless
fenugreek
first legal mortgage
flankerback
floor of number
fluidic servo actuator
foetal achondroplasia
fumigatus
geometrical decalage
go the way of the dodo
granovetter
Harwell
hierarchical-naming system
highly forbidden transition
houphouet
hydroperitoneum
hydrosulphurous
induction units
inside exhaust pipe
Iranianise
iron and steel base
kythemolytic
lasagne
limited open
lose your appetite
necromanty
nodal transfer
nonnaturally
nonsystem job
normocarbia
one-gate
osmylations
overexploitations
PI8
plate-face
plug in transformer
polylinguist
Potentilla multiceps
projectour
Pukarua Atoll
random polarization
re-activation
red-tinted
reef break
research review
rheotropic embrittlement
Rhododendron wumingense
salcedoes
sand shadow
satellite file
sausage-type instability
screw-thread rolling machine
social nature of property relations
solu
spreading knife
stoldred
student-evaluation
suprapellis
Switchboard.
synthetic asphalt
Tangu-ri
thonk
transitional moor
unleueful
unnome
vector geometric interpretation
Villafranchina
warehouse
water of life
wave crest
without omitting a single circumstance
workrooms
writs of execution