the ability to speak clearly and correctly, especially in public and pronouncing the words in a way that is considered to be socially acceptable 演講技巧;演說術 elocution lessons 演講技巧課程
Word Originlate Middle English (denoting oratorical or literary style): from Latin elocutio(n-), from eloqui ‘speak out’, from e- (variant of ex-) ‘out’ + loqui ‘speak’.