根除

These insects are very difficult to eradicate.

这些昆虫很难根除。

The disease has been eradicated from the world.

这种疾病已全世界得到根除。

He removed the dogmatism from politics; he erased the party line.

他根除了政治中的教条，除了政党界限。

Despite efforts to eradicate it, corruption persists,though it doesn't accelerate.

尽管人们努想根除腐败，但腐败现象仍，虽然没有恶化。