safety device

• 一种用于防止事故、伤害或损坏的装置或机构，通过提供保护或自动停止危险过程来实现安全。

A piece of equipment or mechanism designed to prevent accidents, injury, or damage by providing protection or automatically stopping a dangerous process.

1. Protective equipmentB1formal

   A piece of equipment designed to prevent accidents or injury.

   安全装置

   • The car is equipped with multiple safety devices, including airbags.
   • Smoke detectors are essential safety devices in every home.
   • The factory requires all workers to use safety devices like helmets and goggles.

2. Mechanical safeguardB2formal

   A mechanism that automatically stops or prevents dangerous operation of a machine.

   机械安全装置

   • The safety device on the saw stops the blade instantly.
   • This safety device prevents the machine from overheating.
   • The elevator has a safety device that stops it if the cable breaks.