kickoff

名词 kickoff:

1. (football) a kick from the center of the field to start a football game or to resume it after a score
2. the time at which something is supposed to begin
   同义词：beginning, commencement, first, outset, get-go, start, starting time, showtime, offset
3. a start given to contestants
   同义词：send-off, start-off

kick.off

n.（名词）
Sports A place kick in football or soccer with which play is begun.
【体育运动】 开球：足球开始时的定位踢
Informal A beginning:
【非正式用语】 开始：
例句：
the kickoff of a charity campaign.
慈善运动的开始