Definition: how safe something is Level: C1
工厂的安全状况已得到改善。
___Safety at the factory has been improved.
在建筑行业，严格的安全法规至关重要。
Strict ___safety regulations are crucial in construction.
新游乐场设备的安全性正在评估中。
The ___safety of the new playground equipment is being evaluated.
