单词：water surface boil and flow vortex
单词：water surface boil and flow vortex 相关文章
Water on the Moon Studies in the journal Science report that instruments on three different spacecraft have found evidence for widespread trace amounts of water on the moon. Karen Hopkin reports For all you space buffs who like to keep track of wher
60秒科学
Technology Report - How to Make Your Own Solar Water Heater This is the VOA Special English Technology Report. Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design
2011年VOA慢速英语(四)月
背景音乐： summer-Dido 暖暖-梁静茹 推荐电影 Julie and Juliet 朱莉和朱丽叶 笔记：沁人心脾的夏日特饮。Refreshing summer drinks Refreshing 提神的，令人感到精神的 西方国家的summer drink有很多，like sum
新鲜英语早知道
I'm going to boil some water. 我要烧一些水。 To boil, boil, means to make the water one of very hot until you start to see bubbles. 烧（boil）意思是让水变得非常热直到你开始看见水泡为止。 The average temperature is 212
ESL杰夫的一天
Rome's savagery was matched by its size. When the Colosseum was built, Rome was a city of a million people and growing. Not until London of the 19th century would a city approach this size again. What
罗马的崛起
DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o
农业与发展
Can you make the tea, Sam? Yes, of course I can, Penny. Is there any water in this kettle? Yes, thereis. Where's the tea? It's over there, behind the teapot. Can you see it? I can see the teapot, but I can't see the tea. There it is! It's infront of
英语学习乐园
The water can flow or creep or drip or crash.Be water, my friend. 水可以流淌 潜行 滴落 冲击，像水一样吧 朋友。 Bruce Lee's philosophy has spotted an unususal following across European cities.This is free running. 李小龙的哲学在
名人传记
Oscar hadnt eaten all day, but that was okay. Many scientific studies have concluded that the less people eat, the longer they live. These studies are based on experiments with mice and other small animals, so maybe the conclusions dont apply to huma
365个英语简短小故事
The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no
VOA标准英语2010年(六)月
Want to step outside to take in the scenery or pick up some rocks? As familiar as it might look beyond the port hole, Mars is dangerously alien. The upside is the low gravity will give you super jumping abilities, the down, the almost complete lack o
自然百科2012年
China's lunar probe Chang'e-3 has moved a step closer to the moon. The probe descended from a 100 kilometer-high lunar orbit to an elliptical orbit with its nearest point, just 15 kilometers from the moon's surface. China's lunar probe Chang'e-3 ente
CCTV9英语新闻2013年12月
美国英语口语俚语(4) 1.ripoff 骗人的东西 What a ripoff! The new car I bought doesn't work! 真是个骗人货！我买的新车启动不了！ 2.rock the boat 找麻烦 Don't rock the boat! Things are fine just the way they are. 别找麻烦
实用英语
外国客人来到我们这里，一定也会想学习一下我们的饮食文化。我国有着很长的饮茶历史，而饺子更是我们的传统特色食品，所以今天就来学一下如何教人泡茶和包饺子吧。不过这里泡的是袋
阅读空间
Listen to the questions and check the best answers. 1.May I see the wine list? 2.Could you give us one more beverage menu? 3.Do you offer cold water? 4.Is the soft drink free flow? 5.Do you have any beverage for children? 英语听力练习题 Listen
英语听力练习题
No, trust me, the balloon wont pop! It better not. see? Wow!you are right. How come it not poping? As long as the flame is beneath the water in the balloon, the water absorbs most of the heat and the rubber doesnt get very hot. But won't the water ev
英语时差8，16
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
英语听力文摘 English Digest
Brandy From Wine： How Alcohol Is Turned Into Brandy? 白兰地酿造工艺精湛，特别讲究陈酿时间与勾兑的技艺，其中陈酿时间的长短更是衡量白兰地酒质优劣的重要标准。干邑地区各厂家贮藏在橡木桶中的
英语听力文摘 English Digest
Mekong River nations are suffering from the most severe drought in decades, affecting tens of millions of people. In response, China has discharged water to help relieve the crisis. China began offering the emergency water supply since Tuesday, and w
cctv9英语新闻2016年
今天我们要学的词是runoff. runoff 是指竞选无法分出胜负的情况下进行的决选。 Republican Cindy Hyde-Smith wins the Mississippi Senate runoff vote in an election that critics say was racially charged. 共和党人辛迪海德-史
英语单词荟萃