osmotic agent

例句：

1. 1. Osmotic agents are used to treat conditions such as diabetes and hypertension.
   渗透剂用于治疗糖尿病和高血压等疾病。
2. 2. The osmotic agent helps to remove excess salt from the body.
   渗透剂有助于从身体中去除多余的盐分。
3. 3. The osmotic agent is a key component in many pharmaceutical products.
   渗透剂是许多药品产品的关键成分。