eradicate：（v）根除，消灭某事物，结束某事物
Smallpox has almost been eradicated
天花几乎已消灭。
We need more civilization, not less, if we wish to eradicate war.
若想根除战争，我们需要的是更多而不是更少的文明。
This might not stop the spread of radical Islam in the north Caucasus or eradicate all the rebels, but it would weaken their support.
这或许并不能阻止伊斯兰激进主义在北高加索的蔓延趋势，或是根除所有叛乱，但起码这样能够削弱他们的根基。
“I really want to go out there and teach others how important diversity is and to eradicate all these stereotypes that we have about one another,” Davies said.
戴维斯说，"我确实想要去那里，向大家讲解多样性的重要意义，我要想法根除我们彼此之间持有的一切刻板不变的成见。"
extirpate：（v）根除或铲除
extirpate social evils 根除社会弊病
and to extirpate their wives depends on God.
消灭朋友老婆，要靠上帝。
to extirpate friends depends on their wives;
消灭朋友，要靠朋友老婆；
The police arrested dealers in an attempt to extirpate drug aBuse .
在禁毒运动中警察逮捕了很多毒品交易者。