inject/injection

inject /inˈdʒekt/ vt. 1.注射(药液等)，给…注射：inject a solution into… 把溶液注入…；inject medicines under the skin 皮下注射［考句］ The doctors injected the newly approved drug into the patient when he was critically ill.当病人病危时医生将新近批准的药物注入他的体内。2.注入，引入，投入：inject a remark into a conversation 在谈话中插入一句话

 injection /inˈdʒekʃəｎ/ n. ［c］打针，注射；注射剂：get/have an injection under the skin 接受皮下注射；give/make an injection 打针I have been given an injection by the doctor. 我让大夫打了一针。