单词:asbestos heat insulating material
单词:asbestos heat insulating material 相关文章
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,
夏天的一个中午,阿美和好朋友古奇在街上闲逛,天气特别炎热,两个人不停地抱怨,她们都在抱怨些什么呢?来看看吧! Listen Read Learn Gucci: May, we are fools to hang out at noon. It's dying hot today. My skin is too weak to be exposed under the summer sun
At the city of Baku on the side of the Caspian Sea there are so many oil-wells and so much oil that it seems to get into everything. 在里海边的巴库城有很多很多油田,出产大量的石油,似乎什么东西都沾上了石油。 You s
MR CAVORS FLYING MACHINE When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon. As it had neither wings nor an engine, I was amazed and asked him how his machine could fly. The secret lay in
Mr Cavors Flying Machine When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon.As it had neither wings nor an engine,I was amazed and asked him how his machine could fly.The secret lay
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. Today, we will tell about a plan to fight a leading killer of children in developing countries. We will tell about a new way to recogni
This is the VOA Special English Education Report. No one likes to make mistakes. But a new study says organizations learn more from their failures than their successes, and keep that knowledge longer. One of the researchers was Vinit Desai, an assist
High-Tech Material Cools Buildings, Sends Heat Into Space 高新技术材料给建筑降温,将热量送入太空 Researchers at Stanford University have developed a new material that can move heat out of buildings and into space. The researchers say
California has an official animal, the grizzly bear, and a state bird, the California quail. It has an official grass, purple needle grass, and a state reptile, the desert tortoise. It even has an official song, a century-old tune called I Love You,
Let's have a look at what's leading on our News today: And more than 100,000 people are expected to pack Flemington Racecourse for today's running of the Melbourne Cup. This year's cup is likely to be dominated by international runners with 11 overse
今天我们要学的词是heat。 大家都知道heat是高温的意思,那么不难想象,引伸一下,heat也可以理解为压力。还有两个多星期,美国2008年总统大选的初选就要拉开帷幕了。 Democratic leading candid
今天我们要学的词是heat。 大家都知道heat是高温的意思,那么不难想象,引伸一下,heat也可以理解为压力。还有两个多星期,美国2008年总统大选的初选就要拉开帷幕了。Democratic leading candida
Each day, millions of tonnes of rubble go by truck to Bottle Lake Forest in Christchurch. Demolition companies are working seven days a week to demolish buildings in the CBD after the earthquakes caused so much damage. Cranes, bulldozers, excavators,
59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59
今天我们要学的词是heat up。 To heat up, 意思是越来越激烈。 The debate over immigration reform is heating up on the Hill, 国会关于移民改革的辩论日益激烈。 The World Cup is heating up as more teams are getting knocked
今天我们要学的词是take some heat。 To take some heat, 受到批评。 The candidate is taking some heat for his stance on illegal immigrants, 候选人因为在非法移民问题上的立场而受到批评。华盛顿红人队教练沙纳汉因
NBN Chief Mike Quigley is calling for calm over an asbestos scare of some of its roll-out sites. Several sites in New South Wales, Victoria and WA have been shut down. Telstra is hiring an extra 200 safety specialists to inspect all asbestos-related
Today, the Minister of Finance, Bill English, read the Budget in Parliament. The Budget is a plan of how much money the government has and how the government will spend it. For the last few weeks, Bill English has told us some of the things that woul
我们今天要讲的习惯用语有一个共同的词: stand。我们要学的第一个习惯用语是: stand-out。这儿在stand和out之间有一个连词符号。 Stand-out当名词用。它和形容词outstanding意义相关连。不少人知道