2018年CRI Wu Dajing wins China's 1st gold, leads team to silver at Pyeongchang

Wu Dajing has finally done it for China - the short track speed skater won China's first gold medal at the Pyeongchang Winter Olympic Games in the men's 500-meter. Wu broke the world record twice as he became the first Chinese athlete to enjoy the to

英语听力文摘 English Digest 520、火山与水

Volcanos and Water Firefighters use water to battle a towering inferno.You might wonder if water could also stifle an erupting volcano. Actually, this experiment happens every time a volcano erupts at the bottom of the ocean. What happens when a volc

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

英语听力文摘 English Digest 547、气球不见之后发生了什么？

High Inflation Fairs, carnivals, festivals or anywhere you can buy helium-filled balloons, youre sure to see at least one balloon rising into the sky after someone accidentally lets it go off. What happens to the balloon after it rises out of sight?

英语听力文摘 English Digest 553、利刃特别在何处？

Whats So Special About A Sharp Knife? Everyone knows that a sharp knife cuts better than a dull one, but do you know why, exactly? The purpose of the cutting edge of a knife is to concentrate the force thats being applied at the handle. When you push

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

英语听力文摘 English Digest 528、为何高尔夫球上有小窝？

Why Do Golf Balls Have Dimples? Youre out on the golf course one pleasant afternoon. Your ball is set on the tee. You lean over the ball. You grip the club just right. Your arms are straight. Your stance perfect. Whoosh! You swing, and the ball takes

SSS 2011-09-01

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Pasteurization makes food safe by heating microbes to death. But the high temperatures can destroy some nutrients too. A possible alternative? Ultrahigh

VOA标准英语2012--Tensions Rise as Iran is Hurt by Western Sanctions

Tensions Rise as Iran is Hurt by Western Sanctions Iranian war games in the Persian Gulf amid threats to close the strategic Strait of Hormuz. The United States and Europe tighten sanctions to choke off Iranian oil revenues. Iran begins enriching ura

VOA标准英语2011--Fukushima Plant Operator: Nitrogen Pumpi

Fukushima Plant Operator: Nitrogen Pumping Operation Going Well A plan to inject nitrogen into the containment vessel around reactor 1 at the Fukushima Daiichi power plant appears to be working, the plant owner said Thursday. Higher pressure levels h

2006年VOA标准英语-Stroke Prevention Tips

By Carol Pearson Washington, DC 06 July 2006 watch Stroke Prevention report People with diabetes, sickle cell anemia, or sleep apnea are at risk for having a stroke. The American Stroke Council has some guidelines that can help prevent stroke. -----

英语听力文摘 English Digest 420、无形的力量

The Invisible Hand 无形的力量 A: What's going on? B: Check out the setup , Yaoyao. A: A stove, an empty aluminum soda can, kitchen tongs , and a saucepan . Are you experimenting with a new recipe ? B:No, i'm experimenting with air pressure. A:Ho

英语听力文摘 English Digest 79、飞机造成的耳朵不适

When traveling by plane what makes our ears pop, and what is it exactly that pops? Most of us are familiar with this phenomenon of travel: it usually happens on takeoffs and landings. Our ears pop because of the change in air pressure as the plane as

Pressure

A 104 year-old woman was being interviewed by a reporter: And what do you think is the best thing about being 104? the reporter asked. She simply replied, No peer(窥视）pressure.

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

英语听力文摘 English Digest 308、音乐疗伤

Musical Healing 音乐疗伤 曾经在心理专栏里，一篇文章至今仍然记忆犹新，说的是失恋必听歌曲，其中一首便是梁静茹的《分手快乐》，据说有科学依据在这种心情时听这样的歌曲有助于恢复常态

英语听力文摘 English Digest 354、致命的脱水

Dehydration 脱水 If I were to stop drinking water right now, how long could I live? There are different factors involve d here. A human being isnt an automobile which needs a certain amount of gas. There are conditions under which a person could di

英语听力文摘 English Digest 288、测量火山温度

Taking a Volcanos Temperature 火山喷发（volcanic eruption）是一种奇特的地质现象，是地壳运动的一种表现形式，也是地球内部热能在地表的一种最强烈的显示。是岩浆等喷出物在短时间内从火山口向地

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

英语听力文摘 English Digest 296、水塔物理学原理

The Physics of Water Towers 水塔，一般居民区里蓄水作用，有些还是水厂生产工艺的一个重要组成部分，用于保持和调节给水管网中的水量和水压。主要由水柜、基础和连接两者的支筒或支架组成。