face stone

例句：

1. 1. The old man's face stone was worn smooth by years of hard work.
   老人的脸石因多年的辛勤工作而变得光滑。
2. 2. The artist carefully carved a face stone for his masterpiece.
   艺术家小心翼翼地为他的杰作雕刻了一块脸石。
3. 3. The ancient city had many face stones left from its past glory.
   这个古城有许多从过去辉煌时期留下的脸石。