great-grand father
基本释义
曾祖父
实用场景例句
伦理辩论
The unethical conduct of the scientist invalidated the credibility of the entire study.
科学家的不道德行为使整个研究的可信度失效。
学术讨论
The new evidence invalidated the previous hypotheses proposed by the researchers.
新的证据使研究人员提出的先前假设失效。
法律讨论
The court invalidated the original contract due to the breach of terms by one party.
由于一方违反条款，法院使原合同失效。
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