1. The plant's roots were deeply intertwined and had a fibrillous texture.
这棵植物的根深深地交织在一起，具有纤维状的质地。

2. The artist used a fibrillous brushstroke technique to create a sense of movement in the painting.
艺术家使用纤维状的刷笔技法，在画作中营造出一种流动感。