灯光忽明忽暗
The lights flickered on and off
以上为机器翻译结果，长、整句建议使用 人工翻译 。
灯光忽明忽暗。
The lights keep flickering.
《新英汉大辞典》
在忽明忽暗的竖井灯光的指引下，援救队伍在黑暗的废墟中开辟道路寻找幸存者。
Guided by periodic shafts of light, rescue teams made their way through the pitch-black as they searched for survivors.
youdao
由于忽明忽暗的灯光遮蔽了他的视线，他什么都看不见。
He could see nothing for the pulsing blackness that shrouded his vision.
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