safety

/ˈseɪfti/

the state of being certain that adverse effects will not be caused by some agent under defined conditions

中文释义：安全；平安

The safety of passengers is the airline's top priority.

乘客的安全是航空公司的首要任务。

Workers must wear safety helmets on construction sites.

工人在建筑工地必须戴安全帽。