工程师的拇指 The Adventure of the Engineer's Thumb （五）

 , ,"The newcomers were Colonel Lysander Stark and a short thick man,with a chinchilla beard growing out of the creases of his double,chin, who was introduced to me as Mr. Ferguson., ,way, I was under the impression that I left this door shut just,now. I fear that you have felt the draught.', ,"'On the contrary,' said I, 'I opened the door myself because I,felt the room to be a little close.',