To accomplish this task, viruses have evolved specific interactions with their host species.

要完成这项任务，病毒进化出与宿主物种的特定互动。

This drug works by blocking a specific protein interaction that lets cancer cells instruct immune cells to ignore them.

这种药物的作用是阻断特定的蛋白质相互作用，让癌细胞指示免疫细胞忽略它们。