“这样这个密码意思就是‘瀑布’，”安娜贝尔说，“梅金，该你了，”她正说着，梅金便跑到水边，一下就跳了进去，潜入水中搜索着水下的东西。

"Then the code is WATERFALL," Annabel said. "Megan, your turn," she said as Megan ran to the river, jumped in, and searched underneath the water.

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最近对A3G结构的确定提示了它是如何能慢慢潜入HIV DNA链，包括了病毒一解链便引入错误信息、跳过合链环节以及扩大故障区域。

The newly determined structure of A3G suggests how it is able to crawl down HIV DNA chains, introducing mistakes wherever the chains are unzipped and skipping over zipped-up, double stranded regions.

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一个小偷，知道一位老妇人有一些银币。晚上，当老妇人打着呼噜入睡时候他便悄悄潜入老妇人房间，想把银币偷出来。

THIEF, who knew that an old woman had some silver coins, went into her room at night, when she was snoring steadily, to steal them.

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