The engineers are also trying to develop an on-and-off "switch" where the glow would fade when exposed to daylight.
工程师们还试图研制一种间断式“开关”,当暴露在日光下时,光照会逐渐消失。
When you turned the knob to switch it on, an orange glow would gradually light up a darkened room on a winter's evening.
当你扭开旋钮,一道橙色的亮光会逐渐照亮一个冬季傍晚的漆黑房间。
When you turned the knob to switch it on, an orange glow would gradually light up a darkened room on a winter's evening.
当你扭开旋钮,一道橙色的亮光会逐渐照亮一个冬季傍晚的漆黑房间。
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