要怎么预防用英语怎么说

你可以使用英语说 "prevent" 来表示 "预防"。这个单词来自拉丁文 "praevenire"，意思是 "to come before" 或 "to go before." 下面是一些例句：
To prevent illness, you should wash your hands regularly. (为了预防疾病，你应该经常洗手。)
Wearing a seatbelt can prevent serious injury in a car accident. (在车祸中系安全带可以预防严重伤害。)
Taking preventive measures can help prevent natural disasters. (采取预防措施可以帮助防止自然灾害。)
希望这些信息对你有帮助。