fatty aldehyde

例句：

1. 1. This compound is a key intermediate in the synthesis of fragrances.
   这种化合物是合成香料的关键中间体。
2. 2. The reaction produces a fatty aldehyde that can be used as a flavoring agent.
   该反应产生的脂肪酸醛可以作为调味剂使用。
3. 3. The aldehyde has a strong odor and is often used as an additive in cosmetics.
   该醛具有强烈的气味，常用于化妆品中作为添加剂。