一位名叫谢伟的科学家说，鲸落可能是最近才发生的，需要长期观察。
A scientist named Xie Wei says the whale fall might be quite recent and needs long-term observation (观察) .
王伟从小就想成为一名工程师。
Ever since Wang Wei was little, he wanted to be an engineer.
邝伟林说，在5月12号发生地震后，中国军方发起了中国历史上规模最大的营救和救灾行动，向灾区派遣了12万名官兵。
Kuang says after the quake hit May 12, the Chinese military launched the biggest rescue and relief effort in China's history, sending 120,000 soldiers to the disaster areas.
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