工程师的拇指 The Adventure of the Engineer's Thumb （七）

 , ,Some three hours or so afterwards we were all in the train,together, bound from Reading to the little Berkshire village.,There were Sherlock Holmes, the hydraulic engineer, Inspector,Bradstreet, of Scotland Yard, a plain-clothes man, and myself.,seat and was busy with his compasses drawing a circle with Eyford,for its centre., ,"There you are," said he. "That circle is drawn at a radius of,ten miles from the village. The place we want must be somewhere,