activeness

n.

the state of being active

同义词：actionactivity

the trait of being active; moving or acting rapidly and energetically

同义词：activity

1. Her activeness in class discussions is impressive.
   她在课堂讨论中的积极性令人印象深刻。
2. The activeness of the stock market can fluctuate daily.
   股票市场的活跃性可以每天波动。