ADJECTIVE | PREPOSITIONADJECTIVE➤chief, foremost, leading, main, principal, prominent主要代表人物;最重要的倡導者➤great, outstanding傑出的典範▸➤best-known, famous著名的代表人物➤early早期倡導者◇He was an early exponent of multimedia in the classroom.他是主張將多媒體應用於課堂教學的早期倡導者。PREPOSITION➤exponent of⋯高手◇a leading exponent of the flute長笛大師