quintessence /kwɪnˈtɛsn̩s/ noun Learner's definition of QUINTESSENCE
the quintessence
formal 1
: the most important part of something精髓;精华 2
: the perfect example of something典范;范例
— quintessential
/ˌkwɪntəˈsɛnʃəl/ adjective
— quintessentially
adverb