蒸汽液体固体法

河北加拿大版初中英语--Lesson 27

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(246) / 评论(0)

河北加拿大版初中英语

英国学生科学读本第88期:冷凝(3)

When we change a liquid into vapour, and cool this vapour till it is liquid again, 将水加热成水蒸气, 然后对其进行冷却直至再次液化, we are said to distil the liquid, and the apparatus for doing this is called a still. 这个过程就

发表于:2018-12-18 / 阅读(148) / 评论(0)

英国学生科学读本

英国学生科学读本第88期:冷凝(2)

Thus by heating liquids we cause them to evaporate, or change into vapours or gases; 因此, 可以看出：我们能够通过加热液体使得它们蒸发, 变成水蒸气或气体； and by taking away heat from these gases, or cooling them, we tu

发表于:2018-12-18 / 阅读(157) / 评论(0)

英国学生科学读本

高频英语口语对话第514期:探望同事

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(349) / 评论(0)

高频英语口语对话

【英语时差8,16】太空垃圾

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(127) / 评论(0)

英语时差8，16

英语听力文摘 English Digest 613、酸奶中的神秘液体

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(145) / 评论(0)

英语听力文摘 English Digest

英语听力文摘 English Digest 598、宇航员如何在太空中上厕所？

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(132) / 评论(0)

英语听力文摘 English Digest

VOA常速英语2007-US Presidential Selection Process Begins in Earl

By Jim Malone Washington 25 October 2007 The lengthy and complicated process of choosing the next president of the United States begins in early January when voters attend party caucuses and cast ballots in primaries to select the presidential nomine

发表于:2019-01-07 / 阅读(239) / 评论(0)

2007年VOA常速英语（十月）

VOA常速英语2007年-Mideast Peace Process Back on Track in 2007

By Jim Teeple Jerusalem 17 December 2007 After seven years, Israeli and Palestinian negotiators are talking once again. That development came at the end of 2007, a year of turmoil and transition which saw the Palestinian territories split, politicall

发表于:2019-01-07 / 阅读(273) / 评论(0)

VOA常速英语2007年（十二月）

VOA常速英语2007年-Disarmament Process Kicks Off in Ivory Coast

By Naomi Schwarz Dakar 21 December 2007 Rebels and government troops in Ivory Coast are set to begin the long-awaited disarmament process on Saturday, a critical first step before forming a new national army is the divided country. Ivory Coast Presid

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VOA常速英语2007年（十二月）

UNIT 4 Look into Science! Lesson 32: Unit Review

[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(359) / 评论(0)

河北教育初中英语（初中起点）八年级下册

与美国小学生一起学英文第8册第6期:岩浆

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(167) / 评论(0)

与美国小学生一起学英文第8册

与美国小学生一起学英文第5册第11期:气体

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(164) / 评论(0)

与美国小学生一起学英文第5册

跟动名词做宾语的动词

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(153) / 评论(0)

英文语法词汇

TED演讲:为何番茄酱很难倒出来(1)

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(169) / 评论(0)

TED演讲教育篇

TED演讲:为什么玻璃是透明的(1)

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(142) / 评论(0)

TED演讲教育篇

夏洛的网第115期:奇迹(6)

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(163) / 评论(0)

夏洛的网

英国学生科学读本第35期:蒸汽往上冒(1)

Lesson 35 Getting up Steam 第35课蒸汽往上冒！ Do you want to know what steam is? Let us get a lump of ice, or a snow-ball, and place it in a saucer in a warm room. It soon melts, and then the saucer is half full of water. If we leave the sau

发表于:2019-02-07 / 阅读(164) / 评论(0)

英国学生科学读本

A Natural Process

A man enters a barbershop for a shave. While the barber is foaming（涂上泡沫） him up, he mentions the problems he has getting a close shave around the cheeks. I have just the thing, says the barber, taking a small wooden ball from a nearby dra

发表于:2019-02-08 / 阅读(216) / 评论(0)

趣味英语

VOA常速英语2008年-Mideast Peace Process Under Scrutiny Before Ara

By Challiss McDonough Cairo 11 March 2008 Many Arabs say recent violence in Gaza and Israel is placing the Middle East peace process in jeopardy again. VOA Middle East Correspondent Challiss McDonough reports from Cairo the process is under review ah

发表于:2019-02-08 / 阅读(214) / 评论(0)

VOA标准英语2008年（三月）

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ab plane

adaptive principle

afferent nerve endings

central altitude reservation facility (carf)

channel selecting telecontrol system