safety valves
柯林斯词典
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. 儅鍋爐的一個安全閥失霛時,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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