单词:temperate water species
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By Caty Weaver Broadcast: August 1, 2003 This is Steve Ember with the VOA Special English Environment Report. Last month a judge ordered the United States Army Corps of Engineers to begin to lower wat
Researchers have made some interesting discoveries near Antarctica. A team of scientists from the British Antarctic Survey and University of Hamburg have published the first comprehensive inventory of sea-and-land animals, near the tip of the Antarct
William Boynton is professor of planetary sciences at the University of Arizona. And he's dedicated his life to looking for water on Mars. The link between life and water is very strong. Even here in
BBC Learning English 6 Minute English Spider Invasion NB: This is not an accurate word-for-word transcript Kate: Welcome to this week's 6 Minute English. I'm joined today by Rebecca. Hi Rebecca. Now a bit of a scary question to start the programme wi
旱灾威胁加州,水政监察严格执法 California is going through a serious drought, and the state has drastically reduced supplies of water to its farmers. In big cities like Los Angeles, the impact is less severe but the city has strict con
Kate: Welcome to this week's 6 Minute English. I'm joined today by Rebecca. Hi Rebecca. Now a bit of a scary question to start the programme with today how do you feel about .spiders.? Rebecca: Eurrgh.. Kate: I can't say I'm delighted to find them lu
China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.
Sexual selection and evolution 性选择与进化 My pretty maid 美丽的雌性 A glamorous raiment sometimes helps a female bird as much as it helps a male 华丽的外表有时给雌性的益处和雄性一样多 HOW the peacock got his tail is on
[00:00.00]Seahorse Fathers Take Reins in Childbirth [00:04.96]Its true that male seahorses never play catch with their children [00:11.31]or help them with their homework. [00:13.28]But they do outdo human dads on one count. [00:16.89]Male seahorses
One of these wavelengths corresponds to hydrogen, another wavelength would be iron. Another wavelength would be oxygen. And so you go to the part of the spectrum you are interested in and you see you'
A report by a number of leading conservation groups warns that unless prompt corrective measures are taken, the planet is heading toward an ecological credit crunch. For VOA, Tom Rivers reports from London. Cover of the Living Planet Report The repo
Species Loss Compromises Earths Vital Systems Scientists have long thought that diverse ecosystems like forests, lakes and streams are especially good at removing pollutants that human activities put into the environment. A new study in the journal N
Water Cop Enforces Laws As California Drought Persists 加州干旱持续 水上警察加强执法 LOS ANGELES California is going through a serious drought, and the state has drastically reduced supplies of water to its farmers. In big cities like L
Species Split When Mountains Rise生脉隆起导致生物多样化 The tropics are well known for their biodiversity. But another hotspot? Mountains. Like the Hengduan Mountains, in south-central China. 热带地区因为其生物多样性而为大家所
Species Split When Mountains Rise生脉隆起导致生物多样化 The tropics are well known for their biodiversity. But another hotspot? Mountains. Like the Hengduan Mountains, in south-central China. 热带地区因为其生物多样性而为大家所
China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.
By Paul Sisco Washington 09 April 2007 Watch World Climate report Thousands of climate scientists and government policy administrators from more than 120 countries worked on the report for six years. After a reported all night session on April 5, the
By Phil Mercer Sydney 20 February 2008 Scientists say they have taken an array of new marine species from the seabed off eastern Antarctica. They are warning, though, that climate change could soon make extinct many of the strange creatures they have
Track One You are working at UIBE 您是在北京对外经贸大学工作? Yes - I am teaching a course on climate change 是的,我在教授一门气候变化课程 it is a one month course - 32 credit hours - a pretty intensive effort 这是一个为
What's more, I've detected those falling and rising currents that make up the ocean's true breathing. 此外,我又注意过那些由上而下和由下而上的水流,形成真正的海洋呼吸作用。 I've seen a molecule of salt water heat up