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日本德島大学研制成一种可以止牙痛的药膏,作用时间可维持6个小时。这种药膏的成份是纤维素化合物,止痛药和粘性物质。虽然药膏中只含有少量
Japan Tokushima University developed into a toothache can stop the ointment, the role of time can be maintained for 6 hours. The ingredients for this cream are cellulose compounds, painkillers and sticky substances. Although the ointment contains only a small amount