氢离子浓度测定法

Professional Halloween 'Haunters' Channel Method Acting To Deliver Real Scares play pause stop mute unmute max volume 00:0003:25repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or upd

发表于:2018-12-02 / 阅读(145) / 评论(0) 分类 2016年NPR美国国家公共电台10月

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(295) / 评论(0) 分类 每天一点英文

The composition of the sun lies in this bar code. 这个条码说明了太阳的组成 All the thin lines are caused by tiny amounts of complex elements 这些细细的线条,都是微量复杂元素造成的 metals like iron and magnesium. 好比说

发表于:2018-12-07 / 阅读(147) / 评论(0) 分类 太阳科普

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(151) / 评论(0) 分类 VOA2003(上)-科技导航

I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indians and Pakistanis

发表于:2018-12-12 / 阅读(116) / 评论(0) 分类 英语演讲

THIS IS AMERICA - Theater for the Blind; Suzuki Method; Gluten-Free Foods JUNE SIMMS: Welcome to THIS IS AMERICA in VOA Special English. I'm June Simms. CHRISTOPHER CRUISE: And I'm Christopher Cruise. This week on our program, we visit a theater that

发表于:2018-12-16 / 阅读(113) / 评论(0) 分类 2012年VOA慢速英语(八)月

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(177) / 评论(0) 分类 美国习惯用语

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(184) / 评论(0) 分类 经济学人文艺系列

Psychologically defined, concentration is the process of centering one's attention over a period of time. In practical application, however, concentration is not as simple to deal successfully with as the definition may imply. For this reason, it is

发表于:2019-01-02 / 阅读(139) / 评论(0) 分类 双语有声阅读

Children Learn to Play Music by Listening in Suzuki Method Five-year-old Hannah Mei Steury started violin lessons two months ago. Her teacher, Stephanie Flack, says Twinkle, Twinkle Little Star is the first song children learn to play. Its a very sim

发表于:2019-01-13 / 阅读(130) / 评论(0) 分类 VOA标准英语2012年(七月)

A Step Closer to Major HIV Prevention Method A U.S. government panel has recommended the use of a once daily pill to help prevent HIV infection. The pill has been shown to be very effective in studies. The Food and Drug Administration, the FDA, now h

发表于:2019-01-13 / 阅读(145) / 评论(0) 分类 VOA标准英语2012年(五月)

SAF New Fire-Building Method Reduces Air Pollution With their megaphones and orange uniforms, these fieldworkers do not go unnoticed. This is Fine Town, a township south of Johannesburg. Every day, the fieldworkers walk around the townships to show t

发表于:2019-01-13 / 阅读(178) / 评论(0) 分类 VOA标准英语2012年(三月)

NEW YORK Plug in your car, then unplug, and drive away. More and more consumers are doing just that. At the 2014 New York Auto Show many automakers unveiled electric or hybrid vehicle to address the growing global appetite for environment-friendly ca

发表于:2019-01-30 / 阅读(124) / 评论(0) 分类 英语新闻

SEOUL/WASHINGTONThe U.N. Security Council said Wednesday that it was working to craft new sanctions against North Korea after its latest nuclear test, while the United States and other world powers voiced skepticism about Pyongyang's claim that the u

发表于:2019-02-04 / 阅读(86) / 评论(0) 分类 英语新闻

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

发表于:2019-02-05 / 阅读(146) / 评论(0) 分类 托福英语

PREFIX 1.a-:of;on;intensive;negative,not,without;ad-;ab-. 2.ab-:away from,off. 3. ad-:to;at;for. 4. aer(o)- :relating to air . 5.al-:all. 6.ambi-:on both sides,around. 7.amphi-:on both sides,around. 8.an-:negative,not,without. 9.ana-:upon,up,on. 10.a

发表于:2019-02-06 / 阅读(162) / 评论(0) 分类 雅思英语

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(157) / 评论(0) 分类 英语作文

December 30, 1954 I am speaking not as a Briton, not as a European, not as a member of a western democracy, but as a human being, a member of the species Man, whose continued existence is in doubt. The world is full of conflicts: Jews and Arabs; Indi

发表于:2019-02-09 / 阅读(166) / 评论(0) 分类 英语美文

9月16日是墨西哥馆日,墨西哥馆五颜六色的风筝森林吸引了不少人的眼球,你知道小小的风筝里有什么大学问吗?其实风筝也有很多种分类哦,一起来看看吧。 说到kite这个单词,这也许是我们

发表于:2019-02-18 / 阅读(167) / 评论(0) 分类 英语口语

North Korea conducted a 'successful' hydrogen bomb test, Pyongyang has confirmed. The thermonuclear weapon triggered a massive 5.1 magnitude earthquake when it exploded at 10am local time on Wednesday. 平壤方面已经证实,朝鲜成功的进行了

发表于:2019-02-18 / 阅读(103) / 评论(0) 分类 英语新闻
学英语单词
accise
Alexandrita
apparent power meter
blood libel
centre of a rope
coil opener
commitee
contake
control microcomputer
core sand
crillons
cross-days
crownposts
cut you off
data clothes
deep sea fishery
depth charge exploder
direct-reading range
direction of displacement
dispersion staining
Donari
doodinkuses
durn.
Eminentia thenaris
endogenous RNA
extensional wave
fixed length block
frame pointer
gate monoliths
glass fibre filter
Graham R.
grin at
Hartia obovata
hilus of the lung
HN1
hyperlipaemic
Imreg-1
incasking
incomplete report
initial decay voltage
intermolecular labelling
justice's courts
kennworth
laminectomy retractor
leader of the free world
learner-centred
left upper quadrant of the abdomen
linen finish
lunates
metallic clamp
mogister (mos shift register)
muckno
multiprotocol commnnications controller
Naranjal
naxxars
night-robes
non-professional library staff
nonassociative
odd power
off the beaten path
off-fiber
opocephalus
palichnology
people-based service
phenylethyla mine-N-methyl transferase
principle of ecological development
program interchange
put the snuff-bottle on
quadruple figuration
quebradas
queu(e)ing discipline
radiobeacon station
RADLMON
realizable
rear wheel steer
red-checkeds
reoviruses
representation formula
retallick
road drainage
Salvadoran, Salvadorean, Salvadorian
Sap-roller
seguras
self-fertilized
shaft driving
socialisations
Sorbus reducta
Spanish stonecrop
stochastic accelerator
suppressor grid gauge
surface penetration treatment
tailoresses
tank cup
technical measurement
transport statistics
treaty in operation
trislander
trysting place
valve assembly
VIRIDIANA
watch glass
Young's construction