嗅觉一直是我们的感官中受到了解最少的，直到最近，耶鲁大学的戈登·谢泼德领导的神经科学研究才开始揭示它是如何发挥作用的。
Smell has been the most poorly understood of our senses, and only recently has neuroscience, led by Yale University's Gordon Shepherd, begun to shed light on its workings.
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) .
问题是，麦戈文到了凌晨2点48分才开始演讲，按照幽默作家马克.谢尔德的说法，那是萨摩亚的黄金时间。
The problem was that McGovern began to talk at 2:48 a.m., or prime time in Samoa, as the humorist Mark Shields quipped.
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