1. 有自动保险装置的;具有自动防故障性能的
Something that is fail-safe is designed or made in such a way that nothing dangerous can happen if a part of it goes wrong.
e.g. The camera has a built-in failsafe device which prevents it from working if the right signals aren''t received.
照相机有内置自动防故障装置,该装置确保相机在未接到正确信号时不会启动。
noun
1. a mechanism capable of returning to a safe state in case there is a failure or malfunction
adj
1. eliminating danger by compensating automatically for a failure or malfunction
e.g. a fail-safe device in a nuclear weapon to deactivate it automatically in the event of accident
2. guaranteed not to fail
e.g. a fail-safe recipe for cheese souffle