The old servant led Mr Utterson through the laboratory and up some stairs to the doctor's private study above.

老仆人带他经过实验室，上楼来到博士的私人书房。

Meanwhile there was a step in the passage-way, above stairs. Phoebe recognized it as the same which had passed upward, as through her dream, in the night-time.

与此同时，通道上有一个台阶，在楼梯上方。菲比认出那是夜里从她的梦中经过的那个东西。