固液相变

Lesson 27: [00:03.58]Let's Do an Experiment! [00:07.24]One Experiment,Two Theories [00:11.81]A theory is an idea.A theory predicts what will happen. [00:18.57]An experiment shows what happens. [00:23.25]BRIAN:Did you read about this experiment,Danny?

发表于:2018-12-13 / 阅读(160) / 评论(0) 分类 河北加拿大版初中英语

unit 571 探望同事 dialogue 英语情景对话 A:Excuse me. Could you give me the room number of Mr. Thomas? A:劳驾,请问托马斯先生住在那个病房? C:Just a moment. He is in Room 307. C:稍等,他在307号病房。 A:How are you f

发表于:2018-12-26 / 阅读(268) / 评论(0) 分类 高频英语口语对话

Last time we talked about how astronauts eat and drink under weightless conditions in space. Today we'll cover the next question kids love to ask-how do astronauts go to the bathroom in space? It may sound silly, but it's really a good question, beca

发表于:2018-12-27 / 阅读(58) / 评论(0) 分类 英语时差8,16

The Mysterious Liquid In Yogurt When you open a container of yogurt, youll often see liquid collected on top. Some people mix it back into the yogurt, and others drain it off. What is it, and where does it come from? To solve the mystery of the liqui

发表于:2018-12-31 / 阅读(55) / 评论(0) 分类 英语听力文摘 English Digest

It may sound silly, but its really a good question, because weightlessness does make a visit to the latrine a tricky proposition. Weightlessness poses two main problems in the bathroom. The first is that an astronaut could drift away from the bowl at

发表于:2018-12-31 / 阅读(62) / 评论(0) 分类 英语听力文摘 English Digest

Grammar Girl here. Today, Bonnie Trenga will help us choose better transition words. This article could make you a tad hungry, because today were comparing the art of writing to the art of making a sandwich. In fact, just for today, we might need to

发表于:2019-01-02 / 阅读(90) / 评论(0) 分类 英语语法 Grammar Girl

In 1963, President John Kennedy gave a famous speech at American University. In the speech, Kennedy said the following lines: Our problems are manmade; therefore, they can be solved by man. And man can be as big as he wants. No problem of human desti

发表于:2019-01-03 / 阅读(89) / 评论(0) 分类 2017年VOA慢速英语(九)月

Monday's meeting at the White House between President George Bush and President-elect Barack Obama is the latest symbol of a presidential transition that appears to be moving ahead smoothly, at least initially. VOA National correspondent Jim Malone

发表于:2019-01-09 / 阅读(91) / 评论(0) 分类 VOA标准英语2008年(十一月)

[ti:UNIT 4 Look into Science! Lesson 32: Unit Review] [0:00.000]UNIT 4 [0:01.873]Look into Science! [0:04.086]Lesson 32 [0:05.447]Unit Review [0:07.036]Ⅰ. Building Your Vocabulary [0:10.383]A. Fill in each blank with the proper word or phrase from

发表于:2019-01-09 / 阅读(248) / 评论(0) 分类 河北教育初中英语(初中起点)八年级下册

Magmas 岩浆 Have you heard about liquid rock? 你听说过液态岩石吗? It might sound funny to you. 这听起来可能很好笑。 How can a rock be liquid? While it can be. 岩石怎么可能是液体呢?但有时它还真是。 If the tem

发表于:2019-01-10 / 阅读(79) / 评论(0) 分类 与美国小学生一起学英文第8册

Gas 气体 There are three different kinds of matter. They are solids, liquids and gases. 物质分三种:固体、液体和气体。 Gas has no shape, so you can't touch gas. 气体本无形,所以你触摸不到。 Gas moves very freely. 气体能

发表于:2019-01-10 / 阅读(68) / 评论(0) 分类 与美国小学生一起学英文第5册

Both U.S. President George Bush and his successor, Barack Obama, are emphasizing the importance of a smooth transition, so Mr. Obama can tackle the country's economic problems as soon as he takes office on January 20. VOA's Kent Klein reports from W

发表于:2019-01-13 / 阅读(66) / 评论(0) 分类 VOA标准英语2008年(十一月)

归纳拓展跟动名词作宾语的动词 考虑建议盼原谅(consider/suggest/advise,look forward to, excuse, pardon) 承认推迟没得想(admit, delay/put off,fancy) 避免错过继续练(avoid, miss, keep/keep on, practise) 否认完成停

发表于:2019-01-16 / 阅读(66) / 评论(0) 分类 英文语法词汇

French fries are delicious. French fries with ketchup are a little slice of heaven. 我们都知道炸薯条很好吃,再配上番茄酱简直就是人间美味。 The problem is it's basically impossible to pour exactly the right amount. 但问题是

发表于:2019-01-17 / 阅读(68) / 评论(0) 分类 TED演讲教育篇

Take a look out your window, put on your glasses if you wear them. 向窗外张望一下,有必要的话,戴上眼镜。 You might want to grab a pair of binoculars, too, or a magnifying lens. 也许你还想拿副望远镜或是放大镜。 Now,

发表于:2019-01-17 / 阅读(57) / 评论(0) 分类 TED演讲教育篇

今天我们要学的词是transition。 Transition, 是过渡的意思。A smooth transition, 就是平稳过渡。古巴总统卡斯特罗宣布辞去国务委员会主席的职务。美国总统布什表示,希望古巴能由此开始向民主过渡

发表于:2019-01-25 / 阅读(81) / 评论(0) 分类 英语每日一词

You know, he said, in an important voice, 你们知道,他用郑重其事的声音说, I've thought all along that that pig of ours was an extra good one. 我已经想通了,我们这只小猪是一只特级好猪。 He's a solid pig. That pig

发表于:2019-01-29 / 阅读(67) / 评论(0) 分类 夏洛的网

今天我们要学的词是transition。 Transition, 是过渡的意思。A smooth transition, 就是平稳过渡。古巴总统卡斯特罗宣布辞去国务委员会主席的职务。美国总统布什表示,希望古巴能由此开始向民主过渡

发表于:2019-01-31 / 阅读(80) / 评论(0) 分类 英语单词荟萃

By Al Pessin Pentagon 19 October 2007 The U.S. military's effort to rebuild major infrastructure in Iraq will be winding down during the coming year, leaving the Iraqi government to fund the effort and to find engineers capable of handling the projec

发表于:2019-01-31 / 阅读(99) / 评论(0) 分类 2007年VOA常速英语(十月)

NATO's secretary-general says foreign forces in Afghanistan will remain on combat duty during the scheduled transition to Afghan security control in 2014. That statement by Anders Fogh Rasmussen came after U.S. Defense Secretary Leon Panetta said Ame

发表于:2019-02-08 / 阅读(101) / 评论(0) 分类 英语新闻
学英语单词
5L
activation pointer
activityconstant
adulterine guild
affreighted
air quality and emission standard
amine-galactose
arsacetin
birthrate fluctuation
bottom fired heater
broken udder attachment
bunyoro
cable driven
calculated on the basis of original price
cecere
Chasseral, Mt.
Chatkyi
code breakpoint
color-conscious
combination seal
composition factor series
conversion unit
country-style
dalkon
diagnosis refrigeration
dipivaloylmethane
disimilate
Dobu
dream-machine
electric heater unit
endurance limit diagram
entrenching tools
experimental therapy
exposure ratemeter
genus Scincella
give ... a show
Guruzāla
hardliners
have a cut at something
heat-capacity curve
honeycomb checks
in a world by oneself
infan
internal losses
iqab
iryne
jeets
jim Jam
jumby bean
language less programming
light power
Lintah, Selat
liquid air subcooler
lithagogue infusion of amber
machine chart
minimalised
model of straton
mud screen
mushroom tip
naper
natural number axioms
no acceptance
Noogoora burr
normally deenergized stick relay
omarus
operation for cranial nerve
paddy washing machine
parchment-like transformation
pattern positioner
pikeys
please confirm
poppets
positive electropism
PREFIXES AND SUFFIXES.
premonochromator
primitive glycoside
prolonged breath sound
protomicrocotylids
pyroxamine
read-in a descriptor
relative load capacity
retort
rock - fill dam
self-mortality
Semeiciclina
shore pines
single peak response
skew quardilateral
solenostemons
standard white pulse
stonk
supply phototransistor
syndrome of cold accumulated in liver channel
track lining tool
tungsten oxytetrafluoride
under orders
undermining method
unshadowed
uve(o)-
variation of scan amplitude
vena peroneuss
what's your name