koumidine

例句：

1. 1.The bitter taste of the medicine made her feel nauseous.
   药的苦味让她感到恶心。
2. 2. The scientist discovered a new compound with a unique koumidine structure.
   科学家发现了一种具有独特苦味素结构的化合物。
3. 3. The koumidine compounds have been shown to have anti-cancer properties.
   苦味素化合物已被证明具有抗癌性质。