refute

The scientist published new data to refute the theory that the earth was getting colder.

(Chinese) 这位科学家发表了新数据，以反驳地球正在变冷的理论。

The lawyer provided a solid alibi to refute the witness's claim that his client was at the scene.

(Chinese) 律师提供了可靠的不在场证明，以反驳证人关于其当事人在现场的说法。