权威地

The professor spoke authoritatively on the subject, drawing from his decades of research.
教授在这一课题上发言极具权威性，他根据自己数十年的研究成果进行阐述。
The judge ruled authoritatively, putting an end to the long-standing legal dispute.
法官权威地做出了裁决，终结了这场长期的法律纠纷。
The historian's book is considered the most authoritatively written account of the era.
这位历史学家的书被认为是关于那个时代最权威的记载。
The expert's opinion, delivered authoritatively, convinced the skeptical audience.
专家以权威的方式提出的意见说服了持怀疑态度的听众。
The dictionary is recognized as the most authoritatively compiled reference for word meanings.
该词典被公认为查询单词意义时最权威的编纂参考。
Speaking authoritatively about climate change, the scientist presented compelling evidence.
科学家在谈及气候变化时极具权威性，并展示了令人信服的证据。
The manual provides authoritatively detailed instructions for assembling the complex machinery.
该手册提供了组装复杂机械详尽且权威的指导。
In her keynote address, the CEO spoke authoritatively about the future direction of the company.
在主题演讲中，CEO权威地谈到了公司未来的发展方向。
The guidelines issued by the health organization were authoritatively endorsed by leading experts worldwide.
世界领先的专家们一致权威性地支持了该健康组织发布的指南。
The security analyst's report was authoritatively sourced, revealing previously undisclosed cyber threats.
安全分析师的报告来源权威，揭示了之前未公开的网络威胁。