vapor lamp

例句：

1. 1. The old steam lamp cast a dim light in the room.
   旧的蒸汽灯在房间里投下一片昏暗的光。
2. 2.The vapor lamp was used to illuminate the dark night.
   蒸汽灯被用来照亮黑暗的夜晚。
3. 3. The vapor lamp was a popular choice for illuminating small spaces.
   蒸汽灯是照亮小空间的一个受欢迎的选择。