'Catch Shares' Aim for Sustainable Fishing 捕捞份额旨在发展可持续渔业 More than 25 percent of the world's fisheries are overfished, according to the United Nations. Many communities worldwide depend on the ocean for their livelihoods. No

发表于:2018-12-16 / 阅读(41) / 评论(0) 分类 2015年VOA慢速英语(八)月

Experts: La Ni?a, Climate Change Impact East African Drought Experts say the Pacific ocean phenomenon known as La Ni?a is partly to blame for the drought ravaging the Horn of Africa. But while the latest La Ni?a episode has ended, climate scientists

发表于:2018-12-16 / 阅读(93) / 评论(0) 分类 VOA标准英语2011年(八月)

A controversial Justice Department gun-walking operation aimed at Mexican crime cartels, known as Fast and Furious, was misguided and mismanaged, but not at the direction of Attorney General Eric Holder. NPR's Carrie Johnson is at the Justice Departm

发表于:2018-12-17 / 阅读(57) / 评论(0) 分类 2012年NPR美国国家公共电台9月

Researchers witnessed a spectacular fiery(炽热的) underwater volcano explosion and captured it on video. It's believed to be the deepest ocean volcano eruption ever recorded. The undersea Pacific Ocean explosions in May of this year were recor

发表于:2018-12-26 / 阅读(52) / 评论(0) 分类 自然百科2010年

数千年来,大气中碳12和碳14的比例是稳定不变的,然而,二十多年以来的原子弹试验,使得碳14的水平增加。生长中的葡萄吸收了空气中的二氧化碳,而通过测试葡萄中的碳含量,就可以大致

发表于:2019-01-02 / 阅读(106) / 评论(0) 分类 60秒科学

Even the dirt on the ground is likely making climate change worse, a new study finds. Researchers have shown that warmer temperatures are heating the soil, which is causing microbes to become more active and release more of the soils carbon into the

发表于:2019-01-03 / 阅读(142) / 评论(0) 分类 2018年VOA慢速英语(八)月

1. A bomb explodes in one of the busiest commercial centers in Turkey's capital Ankara, killing at least 6 and wounding dozens more. Police are investigating the type of explosive used in the blast. 2. In the forecast, a busy hurricane season. NOAA

发表于:2019-01-08 / 阅读(120) / 评论(0) 分类 美联社新闻一分钟2007

AS IT IS - Earth Day 地球日 This is AS IT IS. Hi, Im Caty Weaver. Today is Earth Day. Millions of people around the world will pick up trash, learn about recycling, plant trees or take some other action to observe the day. On AS IT IS we take a lo

发表于:2019-01-12 / 阅读(60) / 评论(0) 分类 2013年VOA慢速英语(四)月

AS IT IS 2014-08-18 Tobacco Plant to Make Jet Fuel 烟叶能制成喷气材料 An airplane maker, an airline and a biofuel company are working together to make fuel from tobacco plant seed oil. The companies are Boeing, South African Airways and SkyN

发表于:2019-01-12 / 阅读(56) / 评论(0) 分类 2014年VOA慢速英语(八)月

Satellites Study Weather Conditions, Predict Diseases 气象卫星研究天气变化可预测疾病 Meningitis is spreading across West Africa. The brain disease is a threat every year across 21 African countries. Health officials call this area, the

发表于:2019-01-12 / 阅读(40) / 评论(0) 分类 2015年VOA慢速英语(五)月

AS IT IS 2015-03-15 Saharan Dust Feeds Amazon Rainforest 撒哈拉沙漠的尘土吹到亚马逊雨林 Large clouds of dust blowing off the Sahara desert can easily be seen from space. Joseph Prospero is with the University of Miami in the United Sta

发表于:2019-01-12 / 阅读(68) / 评论(0) 分类 2015年VOA慢速英语(三)月

US Energy Production Facing Limits of Water Scarcity Nearly all forms of energy production use large amounts of water. Coal, which generates nearly 50 percent of the electricity in the U.S., needs water for mining and transport, and to cool and lubri

发表于:2019-01-13 / 阅读(76) / 评论(0) 分类 VOA标准英语2012年(一月)

Forensic Testing of Ivory Could Combat Elephant Poaching The sweeping grasslands of the African savannah might not exist without elephants. They knock down so many trees that forests transform into plains, where other grazers and birds feed. Elephant

发表于:2019-01-14 / 阅读(151) / 评论(0) 分类 VOA标准英语2013年(七月)

The National Oceanic and Atmospheric Administration (NOAA) confirms that some of the oil escaping from that ruptured well in the Gulf of Mexico is staying beneath the surface, raising new environmental concerns about the disaster. BP says there is no

发表于:2019-01-30 / 阅读(97) / 评论(0) 分类 VOA标准英语2010年(六)月

Earth's Fried Far-Future Postponed A study in the Proceedings of the National Academy of Sciences adds at least a billion years to the already far-future estimate of when the sun will make Earth too hot to handle. Karen Hopkin reports. [The followin

发表于:2019-01-30 / 阅读(99) / 评论(0) 分类 60秒科学

BEIJING, Feb. 22 (Xinhua) -- The Chinese central government Wednesday allocated 120 million yuan (19 million U.S. dollars) to drought-stricken areas in southwestern Yunnan province. The relief funds, jointly arranged by the Ministry of Finance and th

发表于:2019-02-04 / 阅读(94) / 评论(0) 分类 英语新闻

a high spatial resolution 高空间分辨率 a xenon-lamp 氙灯 abode n. 住所,住处 absence n. 缺乏 acceptor n. 接受者 access v. 接近 aerobic adj. 依靠氧气的,与需氧菌有关的

发表于:2019-02-06 / 阅读(95) / 评论(0) 分类 英文语法词汇

US blizzards, Asia's typhoons, other extreme weather all linked to Pacific Ocean anomaly Steve Baragona | Washington, DC 10 February 2010 Experts say the oceanic disturbance known as El Ni?o is to blame for severe weather in Washington, D.C. and arou

发表于:2019-02-12 / 阅读(92) / 评论(0) 分类 VOA标准英语2010年(二月)

I think you know by now that I live in Birmingham, which is the second largest city in England, after London. Birmingham is not an old city. It does not have ruins from Roman times, or a castle, or a mediaeval cathedral. Two hundred and fifty years a

发表于:2019-02-19 / 阅读(48) / 评论(0) 分类 听播客学英语

We keep pumping carbon dioxide into the atmosphere and the earth keeps warming. Climate scientists have predicted that the consequences of unchecked warming could result in everything from catastrophic flooding to larger and more deadly hurricanes. S

发表于:2019-02-23 / 阅读(81) / 评论(0) 分类 英语时差8,16