这一发现引发了显而易见并且令人不安的问题：你能通过锻炼，例如奔跑数小时，产生过量‘诺金’来催生全部蛋白吗？
This finding raises the obvious and disturbing question: can you overdose on Noggin by, for instance, running for hours, amping up your production of the protein throughout?
美国处理飞行计划的电脑系统星期四出现故障，导致许多航班被取消及数小时的延误。
A problem in the computer system that collects airline flight plans from across the United States caused widespread flight cancellations and hours of delays Thursday.
杰克：在海里找到东西得花数小时。但他们可能会在那儿好现珍宝。
Jake: It takes hours to find objects in the ocean. But they might discover a fantastic treasure down there.
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