Lifting his hand to his head, the absent–minded Professor gravely felt and removed the little cocked hat, looked at it a minute, and then threw back his head and laughed like a merry bass viol.

粗心大意的教授抬起手来摸自己的头，严肃地摸了摸那帽，把它取了下来，对着它看了一会儿，然后仰起头，笑得像的低音提琴。