keynoter
noun /ˈkiːnəʊtə(r)/
/ˈkiːnəʊtər/
- a person who delivers a keynote speech at an event
主题演讲者：在活动中发表主题演讲的人 - For the first time, a woman will be the keynoter at the convention this year.
在今年的大会上将首次由一位女士当主要发言人。
- For the first time, a woman will be the keynoter at the convention this year.