safety valve

美 
英 
  • n.安全阀;疏导(情绪)的方法
  • 网络安全活门;安全泄气阀;安全伐
复数:safety valves  
safety valve
n.
1.
安全阀a device that lets out steam or pressure in a machine when it becomes too great
2.
疏导(情绪)的方法a harmless way of letting out feelings of anger, excitement, etc.
Exercise is a good safety valve for the tension that builds up at work.
锻炼身体是排解工作压力的好办法。

例句

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