单词:vertical migration
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[00:03.58]You will hear three pieces of recorded material. [00:08.33]Before listening to each one,you will have [00:12.41]time to read the questions related to it. [00:16.85]While listening,answer each question by choosing A,B,C or D. [00:23.41]After
Vertical Gardens 垂直花园 by Marcus Maurice More than 30 years ago, a French scientist named Patrick Blanc went to Thailand to study plants. This adventurous young man traveled to the heart of a tropical rainforest and set up a platform at the to
Ladies, how many times a day do you fix your bra straps, or have you ever wished you could get a little more cleavage? Well, odds are you're wearing a bra that doesn't fit right. We sent a few brave w
This is the VOA Special English Agriculture Report. Dickson Despommier is a public health professor at Columbia University in New York City. His area is environmental health sciences. One design for a vertical farm One day nine years ago, he and his
Oil Wealth Attracts Businesses to North Dakota 石油财富吸引企业进驻北达科他州 WILLISTON, NORTH DAKOTA The state of North Dakota has one of the lowest unemployment rates in the country, thanks to a glut of jobs created by the oil boom i
Guatap is a beautiful city in Colombia that is known for its bright coloring and beautiful art. From the moment visitors enter the city they are welcomed with a handcrafted, unique sign and encouraged down the road with bright paints and tile work. E
[00:43.37]Michael / Lincoln [00:55.69]Lincoln [01:08.51]I found our access to the infirmary building, [01:10.29]but I'm going to need some time to make it work. [01:12.48]How much time? [01:13.43]Enough for me to find my way [01:14.46]up a 20 foot v
No matter how hard you try, chances are you'll still be looking at some leftovers from holiday dinner. 不管你如何努力,节日晚宴过后你很可能还是要处理一些剩饭剩菜。 But you can avoid eating endless turkey sandwiches and m
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. People get malaria from Anopheles mosquitoes that themselves are infected with a protozoan parasite called Plasmodium. The mosquitoes do have immune sy
Television manufacturers are desperate to find something to jolt their moribund market. Global TV shipments declined 6% in 2012, according to NPD DisplaySearch. And this year isn't likely to be much better. Now Sony (SNE), Samsung, Toshiba, and LG ar
These 60 paintings tell about the movement of African-Americans in the first half of the 20th century. Transcript of radio broadcast: 06 July 2008 VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barb
South Korea Researches Vertical Farming for Food Security Agriculture in high-rise buildings is the dream of some scientists and architects around the globe. But it soon could be reality. Just outside of Suwon, a city 30-kilometers south of the capit
石油财富吸引企业进驻北达科他州 The state of North Dakota has one of the lowest unemployment rates in the country, thanks to a glut of jobs created by the oil boom in the western part of the state, which rests on one of the largest shal
But that pales into insignificance, when compared to the daily vertical migration of these mircoscopic animals called zooplankton. At sunset, all of these tiny creatures swin upwards, and under cover of darkness, they grease on floating algae close t
By Scott Bobb Johannesburg 08 November 2007 The European Union has announced a plan to admit 20-million skilled workers during the next 20 years in order to meet projected labor shortages. The proposal has drawn protests from leaders in developing na
Flying cars has always captivated the world's imagination. Now, one company claims it is one step closer to making the technology a reality after releasing new designs for its revolutionary vehicle known as the TF-X. 飞行汽车一直以来都吸引着
Tip #1: Measure yourself. 量好尺寸。 Women who know their measurements save a lot of time and money while looking for a bra. Before leaving home, take a tape and measure yourself. First measure your chest right under your bust and then measure t
《回到未来2》上映于1989年,片中主角从1985年穿越到了2015,演绎了对2015年的一系列怪异预测。 Although several of the film's predictions, like video calls and wearable technology, came true, Back to the Future II showe
Imagine if the only way for you to eat were to trek twenty-five miles on foot to a restaurant and then trek all the way back home afterwards. Imagine that this restaurant is a buffet, so you can't carry anything home in a doggie bag--you carry only w