角展因子 angular spreading: 角传播; 角扩散; 角扩展spreading factor: 扩散素〔如透明质酸酶〕。 hyaluronidase (spreading factor): 透明质酸酶macrophage-spreading factor: 巨噬细胞扩展因子serum spreading factor: 血清扩散因子下载手机词典可随时随地查词查翻译