“扩散的”用英语怎么说？

防止癌细胞扩散的努力attempts to prevent cancer cell proliferation这些努力不足以抑制迅速扩散的危机。These efforts were insufficient to contain the burgeoning crisis.一旦真相已毁, 稗史就有扩散的自由.When the reality was destroyed, the legend had freedom to expand....