防范小知识英语怎么说

防范小知识英语可以翻译为 "preventive knowledge"。这个词组来源于英文单词 "preventive", 其意思是预防的，可以用来描述采取措施来防止可能出现的问题或事故。例如：
"It's important to have preventive knowledge about fire safety in order to prevent fires from happening." (重要的是掌握防火的防范小知识，以防止火灾的发生。)
"Having preventive knowledge about car maintenance can help you avoid costly repairs in the future." (掌握汽车维护的防范小知识可以帮助你避免将来出现昂贵的修理费用。)