He injured his knee playing hockey.

　　他打曲棍球时膝盖受了伤。

　　What you said was an injury to her fame.

　　你说的话损害了她的名声。

　　归纳拓展

　　injure v．受伤，损害

　　injured adj.受伤的

　　injurer n．伤害者，施害者

　　翻译句子

　　(1)Nine people died and fifty­four were injured in the accident.

　　在这次事故中，9人死亡，54人受伤。

　　(2)All the passengers in the vehicle escaped injury.

　　这辆车上的乘客均未受伤。

　　3

　　bleeding在流血(回归课本)

　　用法点拨

　　Doctors used to bleed people when they were ill.

　　从前医生常常给病人放血。

　　If you cut your finger，it will bleed.

　　如果你割破手指，它会流血。

　　归纳拓展

　　bleed for 为......流血；为......深感悲痛

　　bleed to death流血过多而死

　　blood n．血液

　　demand blood for blood要求以血还血

　　be of the same blood是同一家族的

　　完成句子

　　(1)Our hearts bleed_for(为......悲伤)the homeless people during this cold winter.

　　(2)He lay on the floor bleeding_profusely(鲜血直流)．

　　4

　　You have three layers of skin which act as a barrier against disease，poisons and the sun's harmful rays.你有三层皮肤充当屏障，使你免遭疾病、毒药和有害光线的侵害。(回归课本)

　　用法点拨

　　This kind of mushroom contains a deadly poison.

　　这种蘑菇含剧毒。

He was suspected of poisoning his wife.