created sense approved 安全灯/安全燈 · ānquándēng · security light
安全灯 / 安全燈
ānquándēng
security light
a light used for security or safety purposes, such as an emergency light or a motion-sensor light.
这盏安全灯在天黑时会自动亮起。
noun
created sense approved 安全灯/安全燈 · ānquándēng · safelight
安全灯 / 安全燈
ānquándēng
safelight
A light source used in photographic darkrooms that provides illumination without fogging light-sensitive materials.
在暗室洗照片时，只能开启红色安全灯。
noun
created sense approved 安全灯/安全燈 · ānquándēng · safety lamp
安全灯 / 安全燈
ānquándēng
safety lamp
A lamp designed for use in hazardous environments, such as mines, to prevent explosions.
矿工进入矿井前必须检查安全灯是否完好。
noun