摘要
李雷是一名教师，他弄伤了背，不得不戴上石膏罩。开学的第一天，他身上还戴着石膏罩。他被分配教最不守纪律的班级。他很自信地走进乱哄哄的教室。这时，一阵风把他的领带吹得飘起来。为了同定领带。他拿起黑板擦，把一颗大头钉透过领带砸入他的胸膛。
Li Lei is a teacher. He injured （损伤） his back and had to wear a plaster （石膏） cast （铸件） around the upper part of his body. On his first day of the term, still with the plaster cast under his shirt, he was assigned （分配） to teach the most undisciplined （不守纪律） class.
