什么是 defend?To make or keep safe from danger, attack, or harm.Sports To attempt to prevent the opposition from scoring while playing in or near (a goal or area of a field, for example).Sports To be responsible for guarding (an opposing player).Sports To compete against a challenger in an attempt to retain (a championship).To support or maintain, as by argument or action; justify.Law To represent (a defendant) in a civil or criminal action.Law To attempt to disprove or invalidate (an action or claim).To make a defense.Sports To play defense.