inaugural
adjective [ before noun ] uk/ɪˈnɔː.ɡjə.rəl/ us/ɪˈnɑː.ɡjə.rəl/
就职的，就任的（演讲）
An inaugural speech is the first speech someone gives when starting an important new job.
the president's inaugural address to the nation 总统向全国发表的就职演说
首次的，初始的
An inaugural event is the first in a series of planned events.
the inaugural meeting of the archaeological society 考古社团的第一次会议