chalnicon

例句：

1. 1. Themercury vapor lamp is a popularchoice for lighting up the room.
   汞蒸气灯是照明房间的热门选择。
2. 2. Mercury vapor lamps are known to causehealth problems when inhaled.
   汞蒸气灯吸入时已知会导致健康问题。
3. 3. Themercury vapor lamp was used inancient times to illuminate the night sky.
   古代使用汞蒸气灯来照亮夜空。