gallbladder agate

例句：

1. 1. The agate is a beautiful stone that has been carved into various shapes.
   这块玉石被雕刻成了各种形状，非常美丽。
2. 2. The agate was found in the desert near the city of Cairo.
   这块玉石在开罗附近的沙漠中被发现。
3. 3. The agate was used as a symbol of wealth and power in ancient times.
   在古代，这块玉石被用作财富和权力的象征。