rachicele

例句：

1. 1. The rachicele is responsible for absorbing nutrients from the food we eat.
   小肠负责吸收我们吃的食物中的营养物质。
2. 2.The doctor advised him to follow a healthy diet and exercise regularly to maintain his health.
   医生建议他保持健康的饮食和定期锻炼来维护他的健康。
3. 3. The rachicele plays an important role in digestion and absorption of nutrients.
   小肠在消化和吸收营养物质方面起着重要的作用。