過去式：nullified 過去分詞：nullified 現在分詞：nullifying
...suggest exploring whether the attracting and repulsive forces nullify each other in the horizontal segment when current flows in both sides of...
.... A termination agreement will be signed by both parties to nullify this contract. 5. Accessories Any amendment or alternation of this contract...
...rebuttal is a form of evidence that is presented to contradict or nullify other evidence that has been presented by an adverse party. ...