fail-safe /ˈfe(ə)lˌsef/
故障無礙
failsafe
故障安全
fail-safe
故障安全
fail-safe
adj 1: guaranteed not to fail; "a fail-safe recipe for cheese
souffle"
2: eliminating danger by compensating automatically for a
failure or malfunction; "a fail-safe device in a nuclear
weapon to deactivate it automatically in the event of
accident"