金鱼

例句：

1. 1. The goldfish in the aquarium are swimming gracefully.
   鱼缸里的金鱼正在优雅地游动。
2. 2. The children were fascinated by the colorful goldfish.
   孩子们被那些五彩斑斓的金鱼迷住了。
3. 3. The goldfish are a popular pet for many families.
   金鱼是许多家庭受欢迎的宠物。