mass mayhem
大规模的混乱
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Its detection at unearthly levels in rocks 65 million years old was the first evidence in the case for an asteroid causing the mass extinction and global environmental mayhem that ended the Cretaceous period and began the Tertiary period.
BBC: Leaving our mark: Fossils of the future
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