food fiber

例句：

1. 1. Eating a dietrich in fiber can help youmaintain a healthy weight.
   摄入富含纤维的饮食可以帮助你保持健康体重。
2. 2. Fiber isessential for digestive health and can help preventconstipation.
   纤维对于消化健康至关重要，可以帮助预防便秘。
3. 3. Whole grains are anexcellent source of dietary fiber, which canimprove heart health.
   全谷物是优良的膳食纤维来源，可以改善心脏健康。