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词汇 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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更新时间:2026/6/15 20:43:28