安全的名词形式是safety.

safety：n.安全、平安、安全性；

security：n.保护措施;安全工作；

相关介绍

Careful consideration should be given to issues of health and safety.

健康与安全的问题应该认真予以考虑。

The object is to educate people about road safety.

目的就是教育人们注意交通安全。

The object is to educate people about road safety.

目的就是教育大众注意交通安全。