听力文本

Wignall now suspected he was onto something big.
Wignall希望他能有大的发现。
The expedition spent a month amassing samples.
考察队花了几个月收集标本。
They shipped back 20 crates of rock to Britain.
他们寄回英国的标本多达20箱。
It seemed at last that the Permian killer might reveal its secret.
看来二叠纪杀手终将原形毕露。
Back in Leeds, Wignall realized he'd stumbled on a treasure trove of fossils.
回到利兹后，Wignall意识到他无意中发现了化石中的无主珍宝。
Buried in the rock samples were thousands of them.
岩石中埋藏了好几千个。

Many so small, they had to be extracted in an acid bath.
很多都非常小，只能通过酸浴获取。
His team was overwhelmed by what they'd got.
结果他的研究小组收获了惊喜。
We were so excited with this story that we were working weekends
这个故事令我们兴奋不已，我们一连干上几周，
and just buckets and buckets of rocks all being broke down,
粉碎一桶桶的岩石，
we, excitingly we were just sieving them through, getting all the fossils out.
每当筛选出一块化石，我们都会很激动。
Wignall's sediments began to reveal the most detailed account of the extinction ever uncovered.
Wignall的沉积物将揭露最详细并且尚未人知的大灭绝真相。

视频及简介

如今，我们的世界生机盎然，随处可见活着的生灵。那么请想象一下所有这些生命有95%在一瞬间遭到了毁灭。这不是虚构的故事，它确实发生过。就在3亿年前的二迭纪，地球上还是一片丰饶繁荣的景象，然而2亿5千万年前的一场神秘事件导致了95%的物种灭绝，称为二迭纪生物大灭绝。这个凶残的杀手究竟是谁？是剧烈的地质运动、气候灾变，还是来自外太空的天体碰撞？为此，科学家们展开了一系列调查，试图解开“地球劫难日”惨剧背后的真相。