eloquently       
adverb uk/ˈel.ə.kwənt.li/ us/ˈel.ə.kwənt.li/
 雄辩地,有说服力地
in a way that gives a strong, clear message
  He spoke eloquently. 他说得很有说服力。 
 She argued her point eloquently and persuasively.  她雄辩地、有说服力地论证了她的观点。 
 See: eloquent
 - More examples
 - He spoke eloquently, delivering a speech that stands out as political oratory, well composed and well delivered.
 - Few poets have written more eloquently about the visual arts than Rilke.
 - Both men spoke eloquently and displayed a love of football.