维尔纽斯的杀戮事件快速引发了迄今为止最严重的危机。

The killings in Vilnius have precipitated the worst crisis yet.

《柯林斯英汉双解大词典》

史上最严重的大规模珊瑚白化事件之一发生于1998年——该年也是有史以来最热的一年，与2010年一样，也是厄尔尼诺现象的一年。

One of the worst mass bleaching events in history occurred in 1998 — which was also one of the hottest years on record, and like 2010, an El Nio year.

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奥巴马说：“我们应该向那些受到伤害的人和我们的后代交出一份有关这次事故的完整而充分的陈述。 这次事故目前已经成为美国有史以来的最严重的漏油事件。

"We owe all those who have been harmed, as well as future generations, a full and vigorous accounting of the events that led to what has now become the worst oil spill in U.S. history," he said.

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