effervescent
/ˌefəˈvesənt/adjective
1- (of a liquid) giving off bubbles; fizzy（液体）冒泡的; 起沫的。
1.1
- figurative (of a person or their behaviour) vivacious and enthusiastic〈喻〉（人或其行为）欢腾的, 兴高采烈的。
派生词
effervescence
noun词源
late 17th cent.: from Latin effervescent- 'boiling up', from the verb effervescere （see EFFERVESCE）.