crataegin

例句：

1. 1.The ancient city of Crataegi is a UNESCO World Heritage Site.
   古老的克瑞塔吉城是一个联合国教科文组织的世界遗产地。
2. 2.The Crataegine family has been farming in this area for generations.
   克瑞塔吉尼家族在这个地区世代耕作。
3. 3.Crataegines are known for their unique and beautiful flowers.
   克瑞塔吉尼以其独特的美丽花朵而闻名。