"Happy Thanksgiving," Bush called out as he headed across the South Lawn to Marine One.

“感恩节快乐！”布什穿过南草坪走向“海军一号”时大声说道。

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Dolphins, as well as other marine animals, shut down one hemisphere of the brain when they go to sleep.

海豚，还有其他一些海洋动物，它们睡眠时会关闭大脑的一个半球。

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It is home to one of the world's finest marine ecosystems, with more than 1,300 species of fish and 700 species of coral.

它是世界上最好的海洋生态系统之一的所在地，拥有1300多种鱼类和700多种珊瑚。

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As one Project planning committee official said, the Census of Marine Life has enlarged the known world.

VOA: special.2010.11.09

So, a natural product is something that is made by nature, and often natural products, whether it comes from a plant or a marine organism have some really good, useful properties. And so, one particular compound has anti-tumor properties. So, again, along this line of cancer research.

天然产物是在自然界中生成的,通常一个天然产物，不管是来自植物或者海洋生物,都有些非常好非常实用的性质，其中的一个特殊的化合物,可以治疗癌症,再一次我们又来到癌症研究上。

麻省理工公开课 - 化学原理课程节选

In one video, a United States Marine officer named Steve Conteaguero reads a poem.

VOA: special.2011.01.31

In 2009, President Obama cancelled a Navy contract, awarded in 2005 to Lockheed Martin, to build the new Marine One fleet.

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Then "Obama got on Marine One and flew away, and Biden walked across the executive building and we shot the scene, " says Schur.

CNN: Vice President Joe Biden to guest on 'Parks and Recreation'

President Obama and first lady Michelle Obama were being driven to the Marine One helicopter in order to fly to visit his ancestral home in County Offaly.

BBC: Obama's Beast 'did not get stuck' on Dublin ramp