英语听力：自然百科 南极物种大发现

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

Texas Police Find Shark Stolen in Baby Stroller

This is Whats Trending Today A small shark that was stolen from an aquarium in Texas has been found and safely returned. Miss Helen is a 40-centimeter-long gray horn shark. She spends her time in a touch tank at the San Antonio Aquarium, where visito

AP 2010-10-30

1. Investigators are conducting tests to determine if a shooting at a Marine Corps recruiting station is connected to recent shootings at the Pentagon and National Marine Corps Museum. The FBI says the same gun was used to shoot at the Pentagon and t

VOA标准英语2014--UN: Plastic Accounts for $13B in Damage to Marine Habitat

UN: Plastic Accounts for $13B in Damage to Marine Habitat As World Cup play continues across Brazil, the country is gearing up to host the 2016 Summer Olympic Games. Among the concerns is that the sailing venue near Rio de Janeiro is too polluted to

经济学人01:气候变化 终于来了好消息?

Science and technology. 科技。 Climate change. 气候变化。 Good news at last? 终于来了好消息？ The climate may not be as sensitive to carbon dioxide as previously believed. 气候对二氧化碳的敏感性可能低于先前的预期。

PBS高端访谈:气候变化对大堡礁造成致命威胁

JUDY WOODRUFF: The Great Barrier Reef along the coast of Australia is considered one of the greatest natural wonders of the world. It actually consists of more than 2,900 smaller reefs and 900 islands and countless species of fish. But its health and

Investigators Continue Probing Theories of Shuttle Disaster

Broadcast: Apr 02, 2003 The investigation into what caused the break-up of the U.S. space shuttle Columbia supports the theory that a left wing panel broke off during its mission, possibly playing a r

SSS 2008-07-02

This is Scientific American's 60-second Science, I am Karen Hopkin. This'll just take a minute. Methane is a greenhouse gas that traps heat even better than carbon dioxide. It comes from a variety of sources, including fossil fuel production and even

SSS 2009-09-10

The National Oceanic Atmospheric Administration [NOAA], spends most of its time trying to understand and predict changes in the environment, along with conserving and managing coastal and marine resources. But its scientific expertise also just made

VOA慢速英语2014 塑料对海洋环境造成严重危害

AS IT IS 2014-07-10 Plastics Blamed for Harm to Sea Environment 塑料对海洋环境造成严重危害 A new report says plastics are responsible for $13 billion in damage to the oceans and the undersea environment. The findings were announced recen

VOA慢速英语2014 科学家警告珊瑚礁受到威胁

Scientists Warn of Threat to Coastal Reefs 科学家警告珊瑚礁受到威胁 American scientists are warning of a threat to the worlds coral and rocky reefs. The National Oceanic and Atmospheric Administration has identified four reasons for the t

VOA标准英语2010年-BP Well Capped, Gulf Oil Cleanup Conti

The Macondo well operated by BP in the Gulf of Mexico has now been capped with a star adornment that commemorates the 11 people killed when the rig operating on the water surface above the site exploded on April 20. Clean-up efforts continue, though,

英语听力：自然百科 驼背鲸

Off the coast of Boston, scientists scan the horizon for something largehumpback whales. In the busy waters of the Stellwagen Bank, National Marine Sanctuary, whales must navigate around submerged fishing gear. And on the surface, collisions to the s

AGRICULTURE REPORT - U.S. Seeks to Increase Ocean Fish Farmi

AGRICULTURE REPORT - U.S. Seeks to Increase Ocean Fish Farming By Mario Ritter Broadcast: Tuesday, June 14, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Most fish farming invol

我国研制的水陆两栖飞机AG600将于上半年首飞

The AG600 amphibious aircraft is expected to take its maiden flight over land in the first half of 2017 and on water in the second half, said its developer, the Aviation Industry Corporation of China (AVIC). 国有飞机制造商中国航空工业集团

VOA标准英语2010年-Dust From Farming May Affect Rainfall

New research suggests agriculture has greatly increased the amount of dust blowing off of West Africa, the world's largest source of atmospheric dust, and may have been one factor driving the decrease in rainfall in the region over the past several c

僧海豹卷土重来，出生率逐年上升

Hawaiian monk seal births are on the rise, according to The Marine Mammal Center. 据海洋哺乳动物中心称，僧海豹出生率在上升。 The species is considered critically endangered, with fewer than 1,200 individuals left in the wild. Sci

英国科学家探测海洋来预测气候

The twilight zone refers to the area between 100 and 1000 metres deep where a small amount of sunlight can still penetrate. The region is packed with ocean life that plays a key role in keeping atmospheric carbon-dioxide levels 30-percent lower than

工程词汇中英文对照

质量合格证书 certification of fitness 原材料 raw material 底板 bottom plate 垫层 cushion 侧壁 sidewall 中心线center line 条形基础 strip footing 附件 accessories 型钢 profile steel 钢板 steel plate 熔渣 slag 飞溅 weldin

万物简史 第379期:进入对流层(20)

One of the oddities of our solar system is that the Sun burns about 25 percent more brightly now than when the solar system was young. 现在太阳燃烧的旺度，要比太阳系形成之初强了大约25%，这是我们太阳系的怪事之一。