| 释义 |
safety valveBrE /ˈseɪfti vælv/ NAmE /ˈseɪfti vælv/ noun a device that lets out steam or pressure in a machine when it becomes too great 安全阀a harmless way of letting out feelings of anger , excitement , etc .疏导（情绪）的方法◆ 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。 |