根絶やし， ねだやし
1. rooting up (weeds, etc.)
2. eradication, rooting out, stamping out, getting rid of
拔除（杂草等）；根除，铲除，消灭，清除
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@ 根絶， こんぜつ
1. eradication, extermination, rooting out, stamping out, getting rid of
根除、消灭、铲除、剿灭、清除