(of a muscle, especially in the heart) make a quivering movement due to uncoordinated contraction of the individual fibrils (肌肉,尤指心肌)作纤维性颤动 the atria ceased to fibrillate when the temperature was reduced. 温度下降后心房不再作纤维性颤动。
(of a fibre) split up into fibrils (纤维)细纤维化,纤丝化 ■[with obj.]break (a fibre) into fibrils 使纤丝化