1 . 擦去
...incumbent adj. 现任的;依靠的;负有职责的expungevt. 擦去;删掉contravene vt. 违反;抵触;反驳;否认
2 . 删除
3. extortionexpunge删除,剔除extradition 引渡
3 . 剔除
3. extortionexpunge删除,剔除extradition 引渡
4 . 删掉
...incumbent adj. 现任的;依靠的;负有职责的expungevt. 擦去;删掉contravene vt. 违反;抵触;反驳;否认