单词：Cyananthus flavus
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GWEN IFILL: Drugmaker Mylan has been under heavy fire for its soaring price hikes for EpiPens, the lifesaving necessity for those with serious allergic reactions. Its price has skyrocketed to as much as $600 for a set of two. At first, Mylan offered
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The biggest and strongest animal on land is the elephant. The largest and heaviest animal in the sea is the whale. It's also the biggest eater in the world. It eats a ton of food a day. It looks like
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It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar
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Then as we got closer, I could see what it was. It was a California gray whale cow. The California gray whale is one of the largest animals on the planet. A fully-grown female known as a cow can easily weigh up to 35 tons, the equivalent of eleven fe
国家地理2007年
Some of his most famous movies were Tootsie and Out of Africa. Transcript of radio broadcast: 20 July 2008 VOICE ONE: Im Barbara Klein. VOICE TWO: And Im Steve Ember with People in America in VOA Special English. Today we tell about movie director a
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NOEL KING, HOST: North Korea is subject to some of the strictest sanctions on the planet. The Trump administration is depending on that pressure to force North Korea to give up its nuclear weapons, but new research shows the North is getting around s
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