Insecticide resistance has spread much more.

杀虫剂耐药性传播得更多。

The one-two punch of insecticide resistance and global transport has allowed bedbugs to go from nightmare to modern reality — the ultimate comeback kid of the pest world.

抗药性和全球运输这套组合拳使得床虱噩梦走向现实——从害虫世界卷土重来。