标签：dust 相关文章
blizzard 暴风雪 cascade 瀑布似地落下 deteriorate 变坏，恶化 deviation 偏差 dust devil 小尘暴， 尘旋风 eddy 旋涡 fluctuation 起伏，波动 forecast 预报 grid 坐标方格 humidity 湿度 meteorologist 气象学家 multiply
新概念英语第四册单词MP3
Jack and Teddy were speechless. They kept staringat Annie as she got down on her knees and talked tothe invisible dog. Hi, you, she said in a soft voice. Are youhungry?The bone dropped toward the floor. It flipped over,then rocked from side to side.
汪培珽儿童英文分级书单《神奇树屋》
The dust that accumulates in the corners of your house does more than cause allergies and aggravations. It's also teeming with clues about where you live and who you live with. That's the finding ofa study in the Proceedings of Royal Society B. Resea
2015年Scientific American(九)月
The Sneaky Danger of Space Dust暗藏威胁的太空微尘 Aside from all the satellites, and the space station orbiting the Earth, there's a lot of trash circling the planet, too. Twenty-one thousand baseball-sized chunks of debris, according to NAS
2017年科学美国人(五)月
Todd: So what was the hardest thing about the trip? Julia: The hardest thing was seeing this country which is so beautiful with such amazing people but struggling in so many different ways with so many different things. You know, historically the leg
英语趣味课堂
Todd: What were the road conditions like that you were riding on? Julia: I'd say at least half, maybe more than half were unpaved roads. Thankfully Cambodia is very flat so it wasn't so difficult. We averaged about seventy, eighty kilometres a day bu
英语趣味课堂
By Amanda Cassandra New York 08 September 2006 A small clothing store that became a makeshift shrine after the September 11, 2001, terrorist attacks on the World Trade Center is now the centerpiece of an exhibit commemorating the fifth anniversary o
2006年VOA标准英语（九月）
You left your Bible on the dresser So I put it in the drawer 'Cause I can't seem to talk to God without yelling anymore And when I sit at your piano I can almost hear those hymns The keys are just collecting dust But I can't close the lid You left m
美国乡村音乐
This is the VOA Special English Agriculture Report. University of Delaware scientists say trees can reduce emissions of dust, ammonia and odor from poultry farms Planting trees around poultry farms can improve air and water quality -- and please the
VOA慢速英语2008年（九）月
By Paul Sisco Washington, DC 26 January 2007 watch Ethanol Alernative report In his State of the Union address, President Bush set an ambitious goal for the United States -- to reduce oil imports from the Middle East by 75 percent. He said this can
2007年VOA标准英语（一月）
Despite the global financial meltdown, the garment export industry in Bangladesh has yet to see a downturn. The industry is remaining competitive because of falling cotton and yarn prices, as well as low labor costs. But many industry leaders say th
VOA标准英语2009年(一月)
Clouds, they are fluffy, white and full of mystery. Although scientist may have better handle on clouds, even they don't know at all. Because the new study can show that atmosphere gases can help clouds form in a way no one had ever considered. That'
Scientific American(二)月
We are taking a ride through the Milky Way. First, we are traveling to a place where stars are born. Even at the speed of light, 196,000 miles a second, the journey lasts for 1,500 years. We've arrived at the vast glowing cloud of gas and dust, the g
自然百科2011年
Look closer and there is something strange about this gas and dust. There're patches where it appears to glow. These bright glowing clouds are called nebulae. And along with the Orion Nebula, our Milky Way has some spectacular examples, the Eagle Neb
自然百科2011年
This is a picture of the Orion Nebula in visible light. We can see all of the gas here located in front of what we know are stars in the background, and we want to be able to look inside this nebula/ and see the stars. In infrared light in this image
自然百科2011年
Bison calves are more independent of their mothers. The adults' focus is now set on a ruthless competition to mate. A male bids to enter a herd with females in season. He uses dust to accentuate all his size and power. Another male already establishe
自然百科2012年
Because from trillions of miles away, these small planets get lost in the blinding glare of their stars brightness. The sad truth of the matter is that earth-like planets are near cosmic specks of dust. And therefore detecting them is really quite ha
自然百科2010年
Rene: Hey, look whos here. Its the companys golden boy. Bruno: Very funny. Rene: Im not joking. First, youre recognized at the annual meeting for your work in the company, and then you get a commendation from the city for your volunteer work. Im bask
地道美语播客
VOA,VOA标准英语,Washington,NASA,capsule,By David McAlary Washington 15 January 2006 Tom Duxbury, Stardust Project Manager for NASA's Jet Propulsion Lab, answers questions during a news conference after the landing of the Stardust capsule A
2006年VOA标准英语（一月）
LULU GARCIA-NAVARRO, HOST: Black lung, an epidemic of the coal miners' disease, is killing thousands of miners across Appalachia. NPR and the PBS program Frontline have been working together over the past year and uncovered that the U.S. government r
2019年NPR美国国家公共电台1月