activity [ækˈtɪvɪti]

例句:

• There are signs of paramilitary activity supported from abroad.
  有迹象表明，非法军事组织的活动得到了国外势力的支持。
  来自柯林斯例句
• The military on both sides are involved in intense activity.
  双方的武装力量都有密集动作。
  
• Mr Dobson promised to widen the organisation's scope of activity.
  多布森先生许诺拓宽该组织的活动范围。
  
• Ecstasy acts as a stimulant and increases brain activity.
  来自BBC
• Sucking is a very natural activity for a baby.
  来自BBC
• The initial activity should take up to an hour.
  来自BBC
• The hall has been full of activity all day.
  大厅里整天都很热闹。
  来自《权威词典》
• His activities include playing football and painting.
  他的活动包括踢足球和绘画。
  来自《权威词典》