不过，房价正在触底的想法正促使夏风（音）等买房者认为最低迷的时期可能已经过去。 夏风是上海一名33岁的银行职员。

Still, the perception that prices are bottoming is causing home buyers like Xia Feng, a 33-year-old bank employee in Shanghai, to think the worst may be past.

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经过很多次培训后，在被要求区分1000赫兹标准音与某较低音之间的差别时他们毫无进步。

Over and over again, they were asked to tell the difference between the 1,000 Hertz tone and a lower tone but showed no improvement.

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空气经过粘液阻塞的细支气管时会发生水泡音。

The rale produced when air passes through mucus-clogged bronchioles.

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