这种植物的茎干有纤维质感，摸起来很粗糙。

The stems of this plant have a ___fibrous texture and feel rough to touch.

芹菜是一种富含纤维的蔬菜，有助于消化。

Celery is a ___fibrous vegetable that aids digestion.

这些蔬菜纤维很多，需要多嚼几下才能咽下去。

The vegetables were so ___fibrous that I had to chew them several times before swallowing.