The market is quite lively. 市场相当活跃。
The meeting was then at its liveliness. 会议那时正开得很活跃。
enliven the atmosphere of the meeting; 活跃会场气氛
revitalize [enliven] the economy; 活跃经济
牛津高阶第八版
美国韦氏词典
Dictionary.com
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维基百科 (自由的百科全书)