definitively
🇺🇸
/dɪˈfɪnətɪvli/
🇬🇧
/dɪˈfɪnətɪvli/
in a way that is clear and certain; without any doubt
The scientist's findings were definitively proven through further research.
科学家的发现通过进一步的研究得到了明确的证明。