1. A prophylactic agent, device, or measure, such as a vaccine or drug.
预防剂预防性的物质、器具或措施，比如疫苗或药物
2. A prophylactic agent, device, or measure, such as a vaccine or drug. save
预防剂预防性的物质、器具或措施，比如疫苗或药物
3. A thin rubber or latex sheath worn over the penis during intercourse as a contraceptive or prophylactic device.
套在阴茎外部的防止在性交过程中怀孕的由橡胶或乳胶制成的护套。
4. These couples can choose: Prophylactic of active intrauterine device, profess to convinced or contraceptive needle, hypodermic ring of drug of the agent that bury establish, vagina.
这些夫妇可选择：活性宫内节育器、口服避孕药或避孕针、皮下埋植剂、阴道药环。
5. Nursing care of patients with atrial septal defect accepting intervention therapy by using domestic fimbria sealing device Risk factors of nosocomial infection in prematures in NICU and effective prophylactic nursing method
应用国产伞封堵术介入治疗房间隔缺损的护理新生儿监护病房中早产儿医院感染的原因分析及护理对策