| 单词 | safety valve |
| 释义 | safety valve ―ˈsafety ˌvalve noun [C] (FEELINGS) ► F0 a way of getting rid of strong feelings without causing harm: » For many people who suffer from stress at work, sport is a vital safety valve.Thesaurus+: ↑Strong feelingsnoun [C] (MACHINE) ► F0 a small part on a machine, which allows steam or gas to escape if the pressure inside becomes too highThesaurus+: ↑Machine parts |
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