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) .
经过17天的紧罗密鼓的调查，17天后谢伟被警方逮捕。
After an about 17 day intense search operation, Xie was arrested by the police.
我从未确认过谢卫山(笔名：谢伟山)为我的全球合伙人。
Ihad never confirmed Xie Weishan (Pseudonym: Xie Weishan) as my global partner.
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