ADJ
(書、作品等在某一領域)有重大影響的，影響深遠的
Seminal is used to describe things such as books, works, events, and experiences that have a great influence in a particular field.
例句
...author of the seminal book 'Animal Liberation'...
有著巨大影響的《動物解放》一書的作者
The reforms have been a seminal event in the history of the NHS.
這些改革已成為英國國民保健制度史上影響深遠的一件大事。