an automatic escape or pressure-relief valve, e.g. for a steam boiler
an outlet for pent-up energy or emotion
Playing computer games can act as a safety valve for life's frustrations
| 单词 | safety valve |
| 释义 | safety valvenounan automatic escape or pressure-relief valve, e.g. for a steam boiler an outlet for pent-up energy or emotion Playing computer games can act as a safety valve for life's frustrations |
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