dysprosium lamp

例句：

1. 1.The dysprosium lamp was the only source of light in the dark room.
   镝灯是唯一在黑暗房间中的光源。
2. 2. The dysprosium lamp was used to illuminate the dark room.
   镝灯被用来照亮黑暗的房间。
3. 3. The dysprosium lamp was a popular choice for lighting up dark rooms.
   镝灯是点亮黑暗房间的热门选择。