平衡氢沸点

Uses Hydrogen1 as Fuel2

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(180) / 评论(0)

VOA2003（上）-科技导航

VOA常速英语2014--美国海军实验室成功将海水转变成燃料

US Navy Lab Turns Seawater Into Fuel 美国海军实验室成功将海水转变成燃料 For centuries, alchemists have tried to turn lead into gold. That transmutation has long been proven impossible, but another similar dream - turning water into f

发表于:2018-12-08 / 阅读(124) / 评论(0)

VOA标准英语2014年(五月)

大学英语自学教程下单词UNIT12

00:06.79]daydream [00:08.16]vi./n.白日做梦 [00:09.53]symptom [00:11.01]n.症状,征兆 [00:12.49]habitual [00:13.81]a.1.习惯性的,习以为常的;2.惯常的,已成规则的 [00:15.12]maladjustment [00:16.71]n.1.失调;2.不适应环境 [00:18.29]compensatory [00:19.75]a.赔

发表于:2018-12-12 / 阅读(180) / 评论(0)

大学英语听力第二册

我们该选择死亡吗？

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(152) / 评论(0)

英语演讲

【英语时差8,16】高海拔地区烘焙蛋糕指南

Cake Mixes And High Altitude Directions Look on the side of a cake mix box and you might find special directions for baking the cake at high altitudes. Why do bakers gave to adjust their cake ingredients when they live at higher elevations? Because a

发表于:2018-12-27 / 阅读(109) / 评论(0)

英语时差8，16

新标准小学英语三年级起点4A 09

[00:00.00]MODULE 9 First... Then... [00:08.59]Unit 1 First, Find a hammer. [00:17.03]1 Listen and point. [00:29.39]What are you doing,Dad? I'm going to repair this chair. [00:38.45]Oh! Can I do it? Okay. First, find a hammer and some nails. [00:46.32

发表于:2018-12-29 / 阅读(133) / 评论(0)

新标准小学英语第四册（三年级起点）

英语听力文摘 English Digest 579、高压烹饪！

Cooking Under Pressure When you boil potatoes on the stove top, it can take half an hour to cook them til tender. But, when you boil them in a pressure cooker, instead presto, theyre ready in about five minutes. Whats the difference? What makes press

发表于:2018-12-31 / 阅读(155) / 评论(0)

英语听力文摘 English Digest

英语听力文摘 English Digest 532、有一种沸腾能冷却你的食物！

The Rolling Boil That Cools Your Food When you think of something boiling, you probably picture a pot on the stove, but theres another kitchen appliance that brings liquid to a boil, not to heat food, but cool it. It sounds crazy, but household refri

发表于:2018-12-31 / 阅读(159) / 评论(0)

英语听力文摘 English Digest

留美老师带你每日说英文第877期:纳什均衡是什么

台湾籍旅美老师今天交给我们的句子是： At this point, you and your competitive cousin have reached what game theorists call a Nash Equilibrium - the point where neither of you can improve your position by deviating from your current s

发表于:2019-01-07 / 阅读(109) / 评论(0)

留美老师带你每日说英文

与美国小学生一起学英文第8册第5期:摄氏度

Celsius 摄氏度 How cold is it outside? 外边多冷？ There are two different temperature scales. 有两种不同的温标可以衡量。 There are celsius and fahrenheit. 它们是摄氏度和华氏度。 Who invented celsius? 谁发明的摄氏度

发表于:2019-01-10 / 阅读(189) / 评论(0)

与美国小学生一起学英文第8册

IMF下调全球增长预期

WASHINGTON, April 12 (Xinhua) -- The International Monetary Fund (IMF) on Tuesday lowered its forecast for global growth in 2016 to 3.2 percent, saying that the global economy grows at a sluggish pace that leaves the world economy more exposed to ris

发表于:2019-01-17 / 阅读(168) / 评论(0)

英语新闻

学个词Learn a Word 第1126期 Boiling point

今天我们要学的词是boiling point。 Boiling point, 沸点，引伸为爆发的那一瞬间。 The battle between the two teams reached its boiling point yesterday as five players were ejected because of a fight, 这两支球队之间的冲突昨

发表于:2019-01-26 / 阅读(146) / 评论(0)

英语单词荟萃

英语听力文摘 English Digest 462、食盐大战冰块

Salt vs. Ice 食盐大战冰块 Y: Why does salt melt ice? D: It lowers the melting and freezing point of water. Y: Oh,OK.Wait,I don't get it. Doesn't that mean the salt make ice colder? D: Let me explain.Pure water freezes at thirty-two degrees Fahr

发表于:2019-01-26 / 阅读(140) / 评论(0)

英语听力文摘 English Digest

精美英文欣赏:What is Your Recovery Rate?你的恢复速率

沉湎过去,就无法与今天同行,明天因而也成了一个遥遥的无期。沉湎过去，就无法让我们的每天过得精彩，痛苦因而成了一个咒语无法摆脱。 What is Your Recovery Rate? What is your recovery rate? How lon

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精美英文欣赏

每日一词【1126】boiling point：沸点

发表于:2019-02-16 / 阅读(164) / 评论(0)

英语每日一词

来抱怨一下物价飞涨吧

经常听到有人感叹现在的钱越来越不值钱了，什么都涨价，就是工资不涨。好不容易涨了一点工资，却发现远远赶不上物价飞涨的速度今天我们来学习一下如何用英语来抱怨上涨的物价吧！

发表于:2019-02-18 / 阅读(120) / 评论(0)

英语口语

TED演讲没错,我制造了一个核聚变发生器(1)

So my name is Taylor Wilson. I am 17 years old and I am a nuclear physicist, which may be a little hard to believe, but I am. 我叫泰勒威尔逊，今年17岁，我是一名核物理学家，可能你们很难相信，但我确实是。 And I wou

发表于:2019-02-21 / 阅读(137) / 评论(0)

TED演讲教育篇

【英语时差8，16】太阳为什么发光

What makes the sun shine? For a lot of folks, this is the kind of thing that doesn't even require explanation: it just does. But just being a commonplace phenomenon in no way explains it. Something must cause the sun to shine. And, in fact, there is

发表于:2019-02-23 / 阅读(179) / 评论(0)

英语时差8，16

英语听力文摘 English Digest 304、老忠实喷泉

Old Faithful 老忠实喷泉是美国黄石公园中最负盛名的景观。黄石最著名的间歇泉是老忠实喷泉，它不像其他喷泉那样爆发没有规律，它每隔几十分钟,就会喷发一次,从不叫旅客失望。它始终如一

发表于:2019-02-24 / 阅读(131) / 评论(0)

英语听力文摘 English Digest

英语听力文摘 English Digest 294、烧开水的秘密

Boiling Water Under Boiling Clouds You may be surprised to hear that its actually easier to boil water on stormy days than it is when the weather is clear and sunny. Can you guess why? The reason is that the boiling point of water changes slightly in

发表于:2019-02-24 / 阅读(128) / 评论(0)

英语听力文摘 English Digest

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学英语单词

1gl (abbreviation)

adelphous

alternative standard system