cesium vapor lamp

例句：

1. 1. The new cesium vapor lamp is more energy-efficient than the old one.
   新款的铯蒸汽灯比旧款更节能。
2. 2. The cesium vapor lamp was used to illuminate the room during the dark night.
   在漆黑的夜晚，铯蒸汽灯被用来照亮房间。
3. 3. The cesium vapor lamp was a popular choice for home lighting in the 19th century.
   在19世纪，铯蒸汽灯是家庭照明的热门选择。