1. President: preventive medication for three days. 院长：预防性的服药三天。
2. Objective:To summarize the reason of accident occurrence in in-patients with schizophrenia and its preventive measure. 目的：总结我院精神分裂症病人发生意外事故的原因及护理预防措施。
3. This paper analyzes the cause of large concrete crack in the construction engineering, and puts forward preventive measures. 文章分析了建筑工程中大体积混凝土裂缝产生的原因，提出了预防措施。
英英解释
n.
1. remedy that prevents or slows the course of an illness or disease
2. any obstruction that impedes or is burdensome
3. an agent or device intended to prevent conception adj.
1. preventing or contributing to the prevention of disease
2. tending to prevent or hinder
3. tending to ward off
