蒋健棠一词多意教程(6):grade

grade,给...打分数。 Don't you need to grade papers?你不是要去为考卷打分数吗？（这里的papers也可能是学生交来的作业） grade,分数。也指年级。（但一般指初中范围内的年级） He always gets good grades,他总是能考到高的分数。 What grade are you in?你读多少年

SSS 2011-04-20

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

SSS 2010-03-26

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

SSS 2010-01-19

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

60秒科学:冬暖夏凉的屋顶

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

4. What Grade

Kristin,, my 17-year-old niece, had just gotten her driver's license and offered to take her mom's car to the gas station. She pulled up to the full-service pumps, and the attendant asked,

Straight into 5th grade

A first grade teacher was having trouble with one ofher students. One day she asked Johnny what his problem was. He replied, I'm too smart for the first grade, my sister is in the third grade and I'm smarter than her . The teacher took him to the pri

SSS 2008-09-01

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

SSS 2011-02-07

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

SSS 2011-04-06

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

英文歌曲:All Time Low

All Time Low The Wanted Praying won't do it Hating won't do it Drinking won't do it Fighting won't knock you out Of my head Hiding won't hide it Smiling won't hide it Like I ain't tried it Everyone's tried it now And failed somehow So when you gonna

VOA慢速英语-Education Report - Debating Eighth-Grade Graduations

Are the ceremonies a good way to recognize success in school? Or do they waste money and send the wrong message? Transcript of radio broadcast: 02 July 2008 This is the VOA Special English Education Report. In the United States, middle school is the

VOA慢速英语--研究人员研发完全可降解轮胎

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

VOA标准英语2016--“智能”绷带有助更快治愈伤口

'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

what grade

What Grade Kristin,, my 17-year-old niece, had just gotten her driver's license and offered to take her mom's car to the gas station. She pulled up to the full-service pumps, and the attendant asked, What grade, miss?Eleventh! Kristin replied. Notes:

Fitch confirms Brazil's investment grade

RIO DE JANEIRO, June 28 (Xinhua) -- World-renowned（世界知名的） credit rating agency Fitch Ratings announced on Monday the confirmation of Brazil's investment grade. Fitch stated（阐述） that Brazil's Issuer Default Rating will be maintai

美国习惯用语:465 low blow...

今天我们还是继续讲在大选年中时常用到的习惯用语。多数参选的侯选人在选战刚拉开序幕时常常会作承诺。例如，他们会信誓旦旦地保证绝不向竞争对手进行人身攻击，也决不信口诋毁对手

英语歌曲:围观帅哥The Wanted - All Time Low

冠军单曲 围观帅哥：The Wanted - All Time Low The Wanted，英国新晋男子偶像组合为什么又是男子组合呢？还打偶像的招牌，看照片上果然是五只大帅哥，其中年龄最大的21岁，最小的17岁歌么，不错，

英文歌曲:How Low

How Low [Hook] How low can you go? [8x] [Ludacris] Luda! She could go lower than i ever really thought she could, Face down, ass up! The top of your booty jiggling out your jeans, Baby pull your pants up, I like it when i see you do it, Better then i

英语歌曲:Low

Low [Chorus:] Shawty had them Apple Bottom Jeans [Jeans] Boots with the fur [With the fur] The whole club was lookin at her She hit the flo [She hit the flo] Next thing you know Shawty got low low low low low low low low Them baggy sweat pants And th