单词:cellulose nitrate plastics
单词:cellulose nitrate plastics 相关文章
Passage 7 Plastic We use plastic wrap to protect our foods. We put our garbage in plastic bags or plastic cans. We sit on plastic chairs, play with plastic toys, drink from plastic cups, and wash our hair with shampoo from plastic bottles! Plastic d
[01:05.65]Dialogue Language Structure: [01:09.96]The Present Continuous Tense in the Passive Voice [01:14.06]A:This brides is getting more and more crowded. [01:17.95]B:Yes.Look!So many cares are being held up. [01:22.34]A:As a matter of fact,the tra
书表慢性病 续处方笺Chronic Illness Prescription Slip 慢性病 续处方笺Chronic Continuous Prescription 慢性病 续处方笺Refill Presriptions For Chroni Disease 诊断书Medical Certificate 挂号费Registration Fee 证明费Certifica
The Great Pacific Garbage Patch may be disappearing, and not in a good way. New research presented at the biannual meeting of the American Chemical Society reveals that polystyrene actually can break down in seawater. Polystyrene is probably better k
Don: Time to go again to the A Moment of Science mailbag. Yal: A listener writes: Dear A Moment of Science, Scientists know that one day we'll run out of oil and other natural sources of energy. Beyond solar power and wind power and ethanol, what are
The Andes Mountains separate Argentina from a very long and narrow country on the Pacific shore named Chile. 安第斯山脉把阿根廷和位于太平洋沿岸的一个非常狭长的国家分隔开来,这个国家叫做智利。 Argentina is call
Very small pieces of plastic, called microfibers, are polluting rivers and oceans. The source of these microfibers may surprise you: your clothes. Clothes worn for outdoor activities and exercise are often made of synthetic material, like polyester o
抗真菌药 咪康唑 Miconazole 达克宁, 拜尼罗(康松无极膏), 无霉, 霉可唑, 双氯苯咪唑, 霉康唑, 美康唑, 密康唑, 克霉灵Micotin, Daktar, Andergin, Monistat 益康唑 Eco
13 May 2002, 14:14 UTC AGRICULTURE REPORT – May 14, 2002: Wood Chips Protect Waterways By George Grow This is the VOA Special English AGRICULTURE REPORT. American scientists are developing ways to l
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo
Scientists in Brazil are turning fruit fibers into car parts. At a recent meeting of the American Chemical Society, the researchers described their work in making the next generation of automotive parts made from natural fibers from bananas, pineappl
Plastic 塑料制品 What does the word plastic mean? Plastic这个词是什么意思? It means changeable in Latin. 它在拉丁文中的意思是可变的。 Are there many kinds of plastics? Yes, there are. 塑料制品的种类多吗?是的,种
Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou
STEVE INSKEEP, HOST: Audiences had an unusual opportunity over the weekend to see classic movies the way they were originally projected. The TCM Classic Film Festival in Hollywood played movies on old-style nitrate film. It's very rare and beautiful
AGRICULTURE REPORT – March 12, 2002: Carbon Dioxide and Crops By George Grow This is the VOA Special English AGRICULTURE REPORT. Increasing levels of carbon dioxide gas in Earth’s atmosphere have
The Beijing Waterworks Group, the company responsible for tap water supply in the capital, says starting from next week, the data on tap water quality will be available on the company's website. Major indexes, including degrees of color, turbidity an
My Cock ClockHello! My name is Dongdong. Do you know I have a nice clock? It is a beautiful clock. It is in my bedroom. In m\fact it is an alarm clock. The big and round body is made of plastics and the clock is set in it. There is a red comb on its
Rebecca Hosking makes documentary films. Recently, she worked on a documentary film for the BBC about the effect of plastics in the marine environment. She was shocked by what she saw as she was making the documentary. She found many sorts of sea cre
An international group of scientists has engineered an enzyme which they say will be able to eat some of the most common plastic. It's being touted as a possible way to fight pollution. Improvements aimed at making the enzyme work more effectively ar
台湾籍旅美老师今天交给我们的句子是: It's not rocket science: Focus on lean protein, healthy fats and non-processed, unrefined carbohydrates such as vegetables, beans, whole grains and fruit. 这不难懂:多摄取低脂肉类、健