pumiceous concrete

例句：

1. 1. She has a pumiceousnature that makes her easy to befriend.
   她有着多愁善感的性格，这使得她很容易交朋友。
2. 2. The old house has apumiceous charm that attractsmany tourists.
   这座老房子有一种多愁善感的魅力，吸引了许多游客。
3. 3. Hispumiceous smile always brightened upthe room.
   他那多愁善感的微笑总能照亮房间。