单词：popcorn polymer
单词：popcorn polymer 相关文章
Its all my fault. A sorrowful Mrs. McGregor sat on the sofa. I let Watch out in the yard for a bit of exercise while I relaxed inside. I did hear him barking. But hed been barking all day, what with so many strangers coming and going. And, well, I ju
110 The Secret of the Mask
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t
Scientific American(四)月
This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because
Scientific American(三)月
Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c
Scientific American(一)月
The loaf of bread is next to the jar of peanut butter. The bag of peanuts is next to the carton of milk. The plate of cookies is next to the bowl of chicken soup. The cup of coffee is next to the glass of juice. The fork is next to the spoon. The kni
简单慢速英语阅读
The loaf of bread is next to the jar of peanut butter. The bag of peanuts is next to the carton of milk. The plate of cookies is next to the bowl of chicken soup. The cup of coffee is next to the glass of juice. The fork is next to the spoon. The kni
原版英语小短文
Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s
60秒科学
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor
Scientific American(九)月
Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don
Scientific American(二)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene
Scientific American(四)月
Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o
2016年VOA慢速英语(九)月
'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded
VOA标准英语2016年(二月)
AUDIE CORNISH, HOST: The new horror movie A Quiet Place is a hit at the box office and with critics. It's also notable for its lack of sound, which poses a problem for lovers of movie theater popcorn. NPR's Selena Simmons-Duffin went to a showing to
2018年NPR美国国家公共电台4月
MICHEL MARTIN, HOST: Nowadays, there's no shortage of competitors for your entertainment dollar - on demand television, games on your phone, workouts, cooking videos, movies streamed into your home - not to mention the World Cup, about which we will
2018年NPR美国国家公共电台6月
AGRICULTURE REPORT -July 9, 2002: Popcorn By George Grow This is the VOA Special English AGRICULTURE REPORT. Americans love popcorn. They eat it at home, at sports events, and in movie theaters. Popco
农业与发展