fail-safe
n. 自动防故障装置
adj. 故障自动保险的；能组织军事攻击的；万无一失的
过去式：fail-safed 过去分词：fail-safed 现在分词：fail-safing 第三人称单数：fail-safes
近义词：safetyvalve，valve，safetydevice，safetyprecaution，overflow，foolproof，guaranteed，dependable，reliable，
英英释义
Noun
- a mechanism capable of returning to a safe state in case there is a failure or malfunction
Adjective
- guaranteed not to fail;
"a fail-safe recipe for cheese souffle"
- 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"
例句
用作形容词(adj.)
- At present, absolutely safe schemes are being investigated and compared.目前，万无一失的方案正在探索和比较中。