un. 固液比
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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(197) / 评论(0)

河北加拿大版初中英语

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(303) / 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(88) / 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(100) / 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(95) / 评论(0)

英语听力文摘 English Digest

数学英语 26 What is the Golden Ratio

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(231) / 评论(0)

数学英语

数学英语 14 How to Use the Golden Ratio

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(267) / 评论(0)

数学英语

Powell Calls Brazil 'Solid Candidate' for Permanent UN Secur

By David Gollust Secretary of State Colin Powell, on his first visit to Brazil, says that country is a

发表于:2019-01-03 / 阅读(131) / 评论(0)

VOA2004（下）--新闻盘点

VOA常速英语2008年-ADB Forecasts Solid Growth for Asia in 2008

By Claudia Blume Hong Kong 02 April 2008 The Asian Development Bank says while Asia will not be immune to the global slowdown, economies in the region will continue to see solid growth in 2008. But the bank warns in its annual outlook that inflation

发表于:2019-01-06 / 阅读(137) / 评论(0)

VOA常速英语2008年（四月）

租房好还是买房好

After nearly twenty years of homeownership, Ive spent the past ten months renting an apartment. I like it. And I dont. There are pros and cons to renting a place, just as there are pros and cons to owning a home. For me, one of the biggest cons is th

发表于:2019-01-08 / 阅读(138) / 评论(0)

英语小短文

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(298) / 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(123) / 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(116) / 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(110) / 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(119) / 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(102) / 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(114) / 评论(0)

夏洛的网

China cuts its reserve ratio again

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(165) / 评论(0)

英语新闻

英闻天下——331 China's Unbalanced Sex Ratio and its Ripple Effect

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(153) / 评论(0)

英闻天下

英文乡村歌曲：Marit Larsen - Solid Ground

Cannot fall, never do regret Know just what is being said know the risk you take Keep your head above it all Sure you can fall but not now you gotta prove something new, being you, being you Can't feel, keep from asking why be the strongest at goodby

发表于:2019-02-25 / 阅读(144) / 评论(0)

美国乡村音乐

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学英语单词

Acanthocereus tetragonus

boundary layer thickness

BTTP

business-state

butt-cut