hepatotrophic factor

例句：

1. 1. Hepatotrophic factors are essential for liver health.
   肝营养因子对肝脏健康至关重要。
2. 2. The hepatotrophic factor has been shown to improve liver function.
   这种肝营养因子已被证明可以改善肝功能。
3. 3. Researchers have identified several hepatotrophic factors that may play a role in disease prevention.
   研究人员已经识别出几种可能参与疾病预防的肝营养因子。