effervescence /ˌɛfɚˈvɛsn̩s/ noun Learner's definition of EFFERVESCENCE
[noncount]
1
: an exciting or lively quality兴高采烈;欢腾;狂喜 2
: bubbles that form and rise in a liquid(液体中形成的)气泡,泡沫
— effervescent
/ˌɛfɚˈvɛsn̩t/ adjective [more effervescent; most effervescent]