一宗谋杀案 　　When giving a lecture about the significance of punctuation, the academic professor was interrupted and arrested by the police for murdering his wife, a receptionist of a kindergarten. The police found some photos he deleted from their e-album showing that they used to have a gay life. But, fed up with her wrinkled face, he murdered her instead of divorcing her to avoid fortune division. He cut up a kind of seashell with a sharpened knife, and hammered it into powder on a skateboard, an