intestinal absorption

例句：

1. 1.The drug was absorbed by the patient's body within a few hours.
   药物在几小时内被患者身体吸收。
2. 2.The absorption of nutrients is essential for maintaining good health.
   营养物质的吸收对于保持健康至关重要。
3. 3.Intestinal absorption plays a crucial role in the digestion and absorption of nutrients.
   肠道吸收在消化和吸收营养物质中起着关键作用。