four-leaved clover

例句：

1. 1.Four-leafed clover is a symbol of good luck in many cultures.
   四叶草在许多文化中是好运的象征。
2. 2. The four-leafed clover was believed to bring good luck and prosperity.
   人们相信四叶草会带来好运和繁荣。
3. 3. Children often collect four-leafed clover as a lucky charm.
   孩子们常常收集四叶草作为幸运符。