| 单词 | safety valve |
| 释义 | ☞ safetyvalveˈsafety valvenoun [c] a device in a machine that allows steam, gas, etc to escape if the pressure becomes too great 安全阀（压力太大时可让蒸气等外溢的装置） safety valve /ˈ·· ·/n [c] 1. something that prevents a dangerous situation developing ［预防危险的］安全措施 2. a part of a machine that allows gas, steam etc to be let out when the pressure is too high ［机器的］安全阀 |
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