citrology

例句：

1. 1.Citral is a natural compound found in citrus fruits, such as oranges and grapefruits.
   柑橘中的一种天然化合物，如橙子和葡萄柚。
2. 2. The study of citral has led to the development of new products for flavor enhancement.
   对柑橘素的研究导致了新风味增强产品的开发。
3. 3.Citrus trees are known for their vibrant colors and sweet fruit flavors.
   柑橘树以其鲜艳的颜色和甜美的果味而闻名。