他说，三十年前，大规模的褪色事件极其罕见，但是近几年已经变得越来越平常。
Mass bleaching events were extremely rare 30 years ago but had become increasingly common in recent years, he said.
第一个重要事件：慢跑三十分钟。
自从四月三十日以来的儿童药品召回事件，强生的股票已经下跌了5.8%，同期500强医药股指数下跌了4.4%。
The shares have lost 5.8 percent since the April 30 children’s medicine recall, compared with a decline of 4.4 percent in that period for the Standard & Poor’s 500 Pharmaceuticals Index.
911事件与之前三十年里曾经工作过的战场不同之处是，纳希微这次没有看到尸体。
One of the things that made 9/11 different from many of the battlefields where Nachtwey has worked for the past 30 years was that he wasn't seeing the bodies of the dead.
这事件已过去三十多年了，但当时的情景仍历历在目，就象昨天刚发生的事。
Though the event happened thirty years ago, it still plays out in my mind as if it were yesterday.
但这个事件例外。一个沙特阿拉伯男子与妻子生活了三十载却从未目睹过她的芳容。
But not in the case of one Saudi Arabian man who managed to live with his wife for three decades without setting eyes on her face.
在这次警报之后，一位秘密人士告诉托雷斯，他永远也不许谈及这次事件，就这样他一直沉默了三十多年。
After the alert, a shadowy figure told Torres he must never talk about the incident and he duly kept silent for more than 30 years.
二十世纪三十年代的一些事件为这部电影提供了背景。
二十世纪三十年代的一些事件为这部电影提供了背景。
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