单词：melanin-laden
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This is scientific American's 60 seconds science. I'm Sophie Bushwick, got a minute. Tens of millions of years ago, cephalopods were hiding from enemies in clouds of ink. And it turns out thatcuttlefish today producing ink that's almost identical. Re
Scientific American(五)月
This is scientific Americans 60 second science, I am Sophie Bushwick. got a minute. Tens of millions of years ago, cephalopods were hiding from their enemies in clouds of ink. And it turns out that cuttlefish today produce ink thats almost identical.
Scientific American(五)月
[00:27.56]A leaked French intelligence document raises the possibility [00:31.35]that Osama Bin Laden died of typhoid, [00:34.51]but President Jacques Chirac said that [00:38.12]the report was in no way confirmed [00:41.24]and officials from Kabul to
轻松英语之旅
(WA) Human populations near the equator have evolved dark skin over many generations because of exposure to the fierce rays of the Sun. A similar phenomenon has also occurred in other parts of the animal kingdom. The African grass mouse is a good ex
托福听力短文
Hi, its Kasey-Dee Gardner for Why? Tell Me Why? This week we received a question about baby eye color. The question was why are most babies born with blue eyes?. And I wasnt sure that was a true statement, but it is in fact a true statement. Actually
自然百科2009年
THE PRESIDENT: Good evening. Tonight, I can report to the American people and to the world that the United States has conducted an operation that killed Osama bin Laden（本拉登）, the leader of al Qaeda（基地组织头目）, and a terrorist（恐
美国总统演讲视频
This all black feathered king penguin could be one in a zillion. The video was recorded on a sub-Antarctic island of South Georgia by National Geographic Traveler magazine contributing editor Andrew Evans on his bus to Antarctic expedition. While man
自然百科2010年
An Islamic website says it will issue a new video message from al-Qaida leader Osama bin Laden , marking the sixth anniversary of the September 11 attacks. The web site posted an image of bin Laden on a banner, saying the new video is reminiscent of
英语新闻视频
By Scott Stearns White House 09 October 2007 The White House says it is concerned by the leak of a private security firm's eavesdropping on al-Qaida communications. VOA White House Correspondent Scott Stearns reports, the company's chief says the dis
2007年VOA常速英语（十月）
By Ravi Khanna Washington 12 December 2007 More than six years after the terrorist attacks on the United States, and billions of dollars spent and thousands of lives lost in the war on terror, two questions in particular go unanswered in the public m
VOA常速英语2007年（十二月）
By Paula Wolfson Sydney 08 September 2007 President Bush in Sydney President Bush says the release of a new video by al-Qaida leader Osama bin Laden is a vivid reminder of the dangers still facing the world. VOA's Paula Wolfson reports from Sydney, w
2007年VOA标准英语（九月）
The day after U.S. forces killed terror network leader Osama bin Laden, President Barack Obama said it is a good day for America. And, the presidents top counterterrorism adviser briefed reporters on Monday about the details of the operation that kil
英语新闻
U.S. President Barack Obama has announced that the world's most wanted terrorist（恐怖分子 ）, al-Qaida leader Osama bin Laden, was killed by U.S. forces on Sunday at a compound deep inside Pakistan. Mr. Obama made the announcement during a liv
英语新闻
The White House says the United States expects a full and complete investigation by Pakistan into what the United States calls a presumed support network that allowed Osama bin Laden to live in Pakistan. The White House also reacted to remarks by Pak
英语新闻
WASHINGTON, Aug. 15 (Xinhua) -- Capturing or killing al-Qaida mastermind Osama bin Laden（奥萨马本拉登） is still a priority for the United States, David Petraeus, the general who commands all U.S. forces in Afghanistan, was quoted as saying
英语新闻
Your teenage son wrecks the car. Your daughter shows up with her recently paroled boyfriend. These are the sorts of things that can make your hair turn gray overnight. Actually, it's impossible for hair to completely change color overnight. Hair colo
英语听力文摘 English Digest
ISLAMABAD, Feb. 25 (Xinhua) -- The living compound of the former al-Qaida chief Osama bin Laden in Pakistan's northwest city of Abbottabad is being demolished, said one local media report. Local Urdu TV channel Express said that the front part of bin
英语新闻
U.S. officials say Osama bin Laden's handwritten journal shows the al-Qaida leader urging his followers to focus on targeting the United States in a large-scale attack. Media reports quote the officials, who spoke on the condition of anonymity. They
英语新闻
President Barack Obama has met behind closed doors with some of the secret special operations forces who killed Osama bin Laden. The president Friday thanked the units who carried out the operation against the leader of the al-Qaida terror network. A
英语新闻
Many women around the world use skin-lightening beauty products in an effort to improve their looks. The World Health Organization, or WHO, reports that the country with the highest percentage of women using such products is Nigeria. In its 2011 repo
2019年VOA慢速英语(二)月