safety-valve

柯林斯詞典

safety valve (safety valves)

• 1. N-COUNT A safety valve is a device which allows liquids or gases to escape from a machine when the pressure inside it becomes too great. 安全閥

  Residents heard an enormous bang as a safety valve on the boiler failed. 當(dāng)鍋爐的一個安全閥失靈時，居民們聽到了一聲巨響。

• 2. N-COUNT A safety valve is something that allows you to release strong feelings without hurting yourself or others. 釋放壓力的手段

  Crying is a natural safety valve. 哭泣是一種自然的釋放壓力的手段。

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