light rare earths

例句：

1. 1. The light from the moon illuminated the room.
   月光照亮了房间。
2. 2. She wore a light blue dress for the occasion.
   她穿着一件淡蓝色的连衣裙参加那个场合。
3. 3.The light was dim in the cave.
   洞穴里光线很暗。