fiber 英語で:

The plant produces fiber of the finest quality.

You need to eat more fiber.

avocados are loaded with fiber, potassium, magnesium and heart-healthy monounsaturated fats.

Shahtoosh fiber... It was on his desk.

cotton/wood/nerve/muscle fibers

Ahhh! Feel that beer seep into every fiber of my being. Yep, nothing beats a cold one after work.