There is a story many years ago of an elementary teacher.
这是很多年前一位小学老师的故事。
But the failure nearly two years ago of torcetrapib, an experimental drug from Pfizer, spotlighted the risks of using drugs without long-term data.
差不多就在两年前，辉瑞公司一个试验性的药物torcetrapib的失败，使人们意识到没有长期资料支持就使用药品的风险。
The deaths in Libya a week ago of British filmmaker Tim Hetherington and American photographer Chris Hondros highlighted the peril inseparable from recording conflict.
一周前英国电影制片人蒂姆·海瑟林顿和美国摄影记者克里斯·洪德罗斯在利比亚的遇难凸显了记录冲突本身所固有的危险。
Angie's mom died a couple of years ago of cancer.
安琪的妈妈几年前因为癌症去世了。
The retractions follow a separate one, two years ago, of a paper by Dr. Buck that was published in the journal Nature in 2001.
本次撤回事件发生的两年之前，巴克博士已经撤回了一篇2001年发表在《自然》杂志上的论文。
Two fossil birds collected from Shanwang Formation, Middle Miocene (about fifteen million years ago), of Linqu, Shandong are here described.
本文记述了山东临朐山旺组(中新世中期)出产的两件鸟类化石。
Frank Hill and his team were the discoverers, 15 years ago, of an east-west jet stream in the sun.
弗兰克·希尔和他的研究小组就是15年前太阳内东西高速气流的发现人员。
The meeting follows speculation - denied by McLaren boss Ron Dennis two weeks ago - of a rift between the British team's management and the Hamilton camp.
两人会面之前，有传闻称汗密尔顿阵营与英国车队的管理人士有一些分歧，然而两周前罗恩·丹尼斯否认了该传言。
The meeting follows speculation - denied by McLaren boss Ron Dennis two weeks ago - of a rift between the British team's management and the Hamilton camp.
两人会面之前，有传闻称汗密尔顿阵营与英国车队的管理人士有一些分歧，然而两周前罗恩·丹尼斯否认了该传言。
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