离子迁移率;离子的电迁移率

Reflections of a Mother I gave you life, but I cannot live it for you. I can teach you things, but I cannot make you i learn. I can give you directions, but I cannot be there to lead you. I can allow you freedom, but I cannot account for it. I can ta

发表于:2018-12-07 / 阅读(321) / 评论(0) 分类 幸福是一种态度

Now, the VOA Special English program WORDS AND THEIR STORIES. We present more expressions about food. They are from Elenir Scardueli, a listener in Brazil. 现在是美国之音慢速英语词汇典故节目。今天我们介绍更多由巴西听众E

发表于:2018-12-07 / 阅读(80) / 评论(0) 分类 2011年VOA慢速英语(二)月

Presidential candidates in Ghana wrapped-up their campaigning Friday ahead of Sunday's run-off election to succeed out-going President John Kufuor. Ghana's opposition party candidate John Atta Mills (l) and Ruling party presidential candidate Nana A

发表于:2018-12-08 / 阅读(86) / 评论(0) 分类 VOA标准英语2008年(十二月)

[00:00.00]MODULE 2 Unit 4 [00:04.78]1.listen and write the lettters in the circle. [00:47.86]2.Listen and match the insttructions with the picttures. [00:55.72]Put the correct leetters in the blanks. [01:35.87]3.Listen and draw a face foollowing the

发表于:2018-12-13 / 阅读(92) / 评论(0) 分类 广州小学一年级 (上) 活动手册

Now, the VOA Special English program WORDS AND THEIR STORIES. We received a list of expressions about food from Elenir Scardueli, a listener from Brazil. Today we will talk about some good things to eat. If something is new and improved, we say it is

发表于:2018-12-16 / 阅读(48) / 评论(0) 分类 2011年VOA慢速英语(二)月

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 Scientific American(二)月

09 Having Limited Mobility GLOSSARY crutch one of two long sticks where one puts one end under ones armpit(between ones arm and body) and the other end reaches the ground, used to support ones weight and help one walk when one cannot put very much we

发表于:2018-12-26 / 阅读(143) / 评论(0) 分类 2009年ESL之就医和人际交往

In Chen's memory,his parents were always busy taking care of their business. 阿伦的记忆里,父母始终只是店里日夜忙碌的身影 Childhood was a bitter memory for him. 童年给他留下的,是辛苦的回味 They were always busy maki

发表于:2018-12-28 / 阅读(64) / 评论(0) 分类 舌尖上的中国第一季

True Confessions Day is on March 15th. Were not really sure where it came from or how long it has been around. It seems a fun way to make your confessions and lose any guilty feelings you might have. How many bad things have you done in the past year

发表于:2018-12-29 / 阅读(60) / 评论(0) 分类 英语课程学习计划和讲义

NB: This is not a word for word transcript Rob: Hello, I'm Rob, and Yvonne has joined me for today's 6 Minute English. Hello, Yvonne! Yvonne: Hello, Rob. Rob: Today, we're talking about social mobility in the UK and a plan by the government to try an

发表于:2019-01-07 / 阅读(97) / 评论(0) 分类 六分钟英语

This is Scientific American's 60-Second Science. I'm Cynthia Graber . This will just take a minute. Theres a traditional bowl in Korea that locals say makes food safer. And they might be right. The bowl is made of almost 80 percent copper. Copper ion

发表于:2019-01-08 / 阅读(128) / 评论(0) 分类 Scientific American(九)月

Words and Their Stories: Expressions Involving the Nose and the Ears Now, the VOA Special English program WORDS AND THEIR STORIES. A persons nose is important for breathing and smelling. The nose is also used in many popular expressions. Some people

发表于:2019-01-11 / 阅读(89) / 评论(0) 分类 2011年VOA慢速英语(六)月

Words and Their Stories: English Expressions With Kick 词汇典故:Kick的相关词汇 Now, the VOA Special English program WORDS AND THEIR STORIES. 这里是美国之音慢速英语词汇典故。 (MUSIC) From birth to death, the word kick has be

发表于:2019-01-11 / 阅读(56) / 评论(0) 分类 2011年VOA慢速英语(六)月

Now, the VOA Special English program WORDS AND THEIR STORIES. 现在是美国之音慢速英语词汇典故节目。 Monkeys are very similar to us in many ways. Most have ten fingers and ten toes, and brains much like ours. We enjoy watching them be

发表于:2019-01-11 / 阅读(65) / 评论(0) 分类 2011年VOA慢速英语(三)月

Now, the VOA Special English program WORDS AND THEIR STORIES. A listener from Brazil, Elenir Scardueli, sent us a list of popular expressions about food. So today we will talk about expressions that use vegetables and fruits. 现在是美国之音慢速

发表于:2019-01-11 / 阅读(119) / 评论(0) 分类 2011年VOA慢速英语(二)月

Shirley: And as we've been looking at your art, you've told me that this painting is one of your favorites. When did you actually paint this Yve's Reflection? Yuri: Right, it was about in 2001. At the time I was in a gallery. There was a fantastic ex

发表于:2019-01-30 / 阅读(78) / 评论(0) 分类 原版英语对话1000个

In these five spots, expats will likely be greeted with a warm welcome, a helping hand and a friendly smile. 居住在下面这五个国家的外国人会受到本地人的热烈欢迎、及时的帮助和亲切的微笑。 For many expats, finding n

发表于:2019-02-01 / 阅读(65) / 评论(0) 分类 阅读空间

Gail: Oh! Mike: Are you okay? Gail: Yeah, Im just not used to these crutches yet. The doctor said I should start using them if I ever want to get out of this wheelchair , but I dont have the strength to stand up. Mike: Youll get the hang of it . Dont

发表于:2019-02-04 / 阅读(78) / 评论(0) 分类 地道美语播客

LOS ANGELES, Jan. 13 (Xinhua) -- Leading independent motion picture producer and distributor Lionsgate has acquired vampire and werewolves epic series Twilight producer Summit Entertainment for 412.5 million U.S. dollars, the company announced on Fri

发表于:2019-02-05 / 阅读(64) / 评论(0) 分类 英语新闻

I have a few main ambitions at the moment. I think the first and foremost ones, seeing as I'm in Japan at the moment studying Japanese, would to be actually to be able to speak the language, but I think that's pretty far fetched ambition at the momen

发表于:2019-02-08 / 阅读(44) / 评论(0) 分类 原版英语对话1000个
学英语单词
-crania
a-dances
acute triangle
amino-formaldehyde resin
asthenospheres
autothermoregulator
azimuth card
ballistoi (greece)
Ban Houaynam
binistor
black circuit
block handle
boadens
bohrer
bravais rule
bromine radioactive
bull the market
bunker point
chromatigram
circuit array
climbest
clock request block
compensative
Cox's method of two-step sampling
critical defective
dancing bologna
digital audio inputs
elicia
ex-interest
expanded incident lifecycle
facies anterior
flame cutting tower
fluviatile lake
foundry man
fucked around
heat-working
heliodoruss
hexadecatrienoic acid
hold in contempt
home-deliveries
horned screamers
hot water process
hulkage
humid heats
hymenal laceration
ice cream bar
impulse recording paper
internal void
International Tsunami Information Center
leksell
manual labour
market boat
mesotartrate
mixed flock
mouth disease
mutual safety
nsa
nucleo protein
off-set wavegiude
photocount distribution
pile group
pleistacantha sanctijohannis
porous solid bed
pre-loadeds
push brooms
put sb's conduct under examination
right of adjudication
saline halo
Saravan
saw tooth clutch
screw plate for metric thread
secondary center of origin
Semitological
set and reset
shuyi
six bowels
sneaking in
SSE Composite
stachytarpheta cayennensis
stagese
Sterculieae
sulfur circulation
tapered stock coupling
tight stowage
timber transport wagon
total pressure tube
toxic diffuse goiter
triisoheptyl amine
trimestrial
trough-type distributor
turboshafts
ulcero carcinoma of stomach
ulipy
upper jiao
uranium hexafluoride
v.j
vacuum cold trap
volt-ohm0milliammeter
water infilitration and redistribution
westest
what-cha-ma-call-it
xylophaga indica