释义 |
service line noun Etymology: service (I) 1. a. : a line 21 feet from the net in tennis and parallel to it that marks the rear of a service court — compare foot fault b. : a line that is perpendicular to the rear service line and bisects the service court 2. : a line drawn parallel to a front wall or board in wall games (as handball) to mark a boundary which must not be overstepped in serving |